diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderClient.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderClient.java
index c5bf03c05e10..ad71cdcb2a35 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderClient.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderClient.java
@@ -45,8 +45,11 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
  *   InsightName name =
  *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -84,8 +87,11 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings recommenderSettings =
  *     RecommenderSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -96,8 +102,11 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings recommenderSettings =
  *     RecommenderSettings.newBuilder().setEndpoint(myEndpoint).build();
  * RecommenderClient recommenderClient = RecommenderClient.create(recommenderSettings);
@@ -107,8 +116,11 @@
  * the wire:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings recommenderSettings =
  *     RecommenderSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -176,8 +188,11 @@ public RecommenderStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightTypeName parent =
    *       InsightTypeName.ofProjectLocationInsightTypeName(
@@ -226,8 +241,11 @@ public final ListInsightsPagedResponse listInsights(InsightTypeName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String parent =
    *       InsightTypeName.ofProjectLocationInsightTypeName(
@@ -274,8 +292,11 @@ public final ListInsightsPagedResponse listInsights(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListInsightsRequest request =
    *       ListInsightsRequest.newBuilder()
@@ -308,8 +329,11 @@ public final ListInsightsPagedResponse listInsights(ListInsightsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListInsightsRequest request =
    *       ListInsightsRequest.newBuilder()
@@ -342,8 +366,11 @@ public final ListInsightsPagedResponse listInsights(ListInsightsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListInsightsRequest request =
    *       ListInsightsRequest.newBuilder()
@@ -382,8 +409,11 @@ public final UnaryCallable<ListInsightsRequest, ListInsightsResponse> listInsigh
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightName name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -409,8 +439,11 @@ public final Insight getInsight(InsightName name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -436,8 +469,11 @@ public final Insight getInsight(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightRequest request =
    *       GetInsightRequest.newBuilder()
@@ -465,8 +501,11 @@ public final Insight getInsight(GetInsightRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightRequest request =
    *       GetInsightRequest.newBuilder()
@@ -497,8 +536,11 @@ public final UnaryCallable<GetInsightRequest, Insight> getInsightCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightName name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -538,8 +580,11 @@ public final Insight markInsightAccepted(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -580,8 +625,11 @@ public final Insight markInsightAccepted(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkInsightAcceptedRequest request =
    *       MarkInsightAcceptedRequest.newBuilder()
@@ -615,8 +663,11 @@ public final Insight markInsightAccepted(MarkInsightAcceptedRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkInsightAcceptedRequest request =
    *       MarkInsightAcceptedRequest.newBuilder()
@@ -646,8 +697,11 @@ public final UnaryCallable<MarkInsightAcceptedRequest, Insight> markInsightAccep
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommenderName parent =
    *       RecommenderName.ofProjectLocationRecommenderName(
@@ -696,8 +750,11 @@ public final ListRecommendationsPagedResponse listRecommendations(RecommenderNam
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String parent =
    *       RecommenderName.ofProjectLocationRecommenderName(
@@ -745,8 +802,11 @@ public final ListRecommendationsPagedResponse listRecommendations(String parent)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommenderName parent =
    *       RecommenderName.ofProjectLocationRecommenderName(
@@ -825,8 +885,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String parent =
    *       RecommenderName.ofProjectLocationRecommenderName(
@@ -902,8 +965,11 @@ public final ListRecommendationsPagedResponse listRecommendations(String parent,
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListRecommendationsRequest request =
    *       ListRecommendationsRequest.newBuilder()
@@ -937,8 +1003,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListRecommendationsRequest request =
    *       ListRecommendationsRequest.newBuilder()
@@ -972,8 +1041,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListRecommendationsRequest request =
    *       ListRecommendationsRequest.newBuilder()
@@ -1014,8 +1086,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1043,8 +1118,11 @@ public final Recommendation getRecommendation(RecommendationName name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1070,8 +1148,11 @@ public final Recommendation getRecommendation(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommendationRequest request =
    *       GetRecommendationRequest.newBuilder()
@@ -1099,8 +1180,11 @@ public final Recommendation getRecommendation(GetRecommendationRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommendationRequest request =
    *       GetRecommendationRequest.newBuilder()
@@ -1135,8 +1219,11 @@ public final UnaryCallable<GetRecommendationRequest, Recommendation> getRecommen
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1181,8 +1268,11 @@ public final Recommendation markRecommendationClaimed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1228,8 +1318,11 @@ public final Recommendation markRecommendationClaimed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationClaimedRequest request =
    *       MarkRecommendationClaimedRequest.newBuilder()
@@ -1266,8 +1359,11 @@ public final Recommendation markRecommendationClaimed(MarkRecommendationClaimedR
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationClaimedRequest request =
    *       MarkRecommendationClaimedRequest.newBuilder()
@@ -1305,8 +1401,11 @@ public final Recommendation markRecommendationClaimed(MarkRecommendationClaimedR
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1351,8 +1450,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1398,8 +1500,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationSucceededRequest request =
    *       MarkRecommendationSucceededRequest.newBuilder()
@@ -1437,8 +1542,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationSucceededRequest request =
    *       MarkRecommendationSucceededRequest.newBuilder()
@@ -1476,8 +1584,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1522,8 +1633,11 @@ public final Recommendation markRecommendationFailed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1569,8 +1683,11 @@ public final Recommendation markRecommendationFailed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationFailedRequest request =
    *       MarkRecommendationFailedRequest.newBuilder()
@@ -1607,8 +1724,11 @@ public final Recommendation markRecommendationFailed(MarkRecommendationFailedReq
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationFailedRequest request =
    *       MarkRecommendationFailedRequest.newBuilder()
@@ -1639,8 +1759,11 @@ public final Recommendation markRecommendationFailed(MarkRecommendationFailedReq
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommenderConfigName name =
    *       RecommenderConfigName.ofProjectLocationRecommenderName(
@@ -1679,8 +1802,11 @@ public final RecommenderConfig getRecommenderConfig(RecommenderConfigName name)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommenderConfigName.ofProjectLocationRecommenderName(
@@ -1718,8 +1844,11 @@ public final RecommenderConfig getRecommenderConfig(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommenderConfigRequest request =
    *       GetRecommenderConfigRequest.newBuilder()
@@ -1747,8 +1876,11 @@ public final RecommenderConfig getRecommenderConfig(GetRecommenderConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommenderConfigRequest request =
    *       GetRecommenderConfigRequest.newBuilder()
@@ -1776,8 +1908,11 @@ public final RecommenderConfig getRecommenderConfig(GetRecommenderConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommenderConfig recommenderConfig = RecommenderConfig.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1807,8 +1942,11 @@ public final RecommenderConfig updateRecommenderConfig(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateRecommenderConfigRequest request =
    *       UpdateRecommenderConfigRequest.newBuilder()
@@ -1834,8 +1972,11 @@ public final RecommenderConfig updateRecommenderConfig(UpdateRecommenderConfigRe
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateRecommenderConfigRequest request =
    *       UpdateRecommenderConfigRequest.newBuilder()
@@ -1863,8 +2004,11 @@ public final RecommenderConfig updateRecommenderConfig(UpdateRecommenderConfigRe
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightTypeConfigName name =
    *       InsightTypeConfigName.ofProjectLocationInsightTypeName(
@@ -1903,8 +2047,11 @@ public final InsightTypeConfig getInsightTypeConfig(InsightTypeConfigName name)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       InsightTypeConfigName.ofProjectLocationInsightTypeName(
@@ -1942,8 +2089,11 @@ public final InsightTypeConfig getInsightTypeConfig(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightTypeConfigRequest request =
    *       GetInsightTypeConfigRequest.newBuilder()
@@ -1971,8 +2121,11 @@ public final InsightTypeConfig getInsightTypeConfig(GetInsightTypeConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightTypeConfigRequest request =
    *       GetInsightTypeConfigRequest.newBuilder()
@@ -2000,8 +2153,11 @@ public final InsightTypeConfig getInsightTypeConfig(GetInsightTypeConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightTypeConfig insightTypeConfig = InsightTypeConfig.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -2031,8 +2187,11 @@ public final InsightTypeConfig updateInsightTypeConfig(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateInsightTypeConfigRequest request =
    *       UpdateInsightTypeConfigRequest.newBuilder()
@@ -2058,8 +2217,11 @@ public final InsightTypeConfig updateInsightTypeConfig(UpdateInsightTypeConfigRe
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateInsightTypeConfigRequest request =
    *       UpdateInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderSettings.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderSettings.java
index 232ae780a45c..0e744bdf5870 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderSettings.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/RecommenderSettings.java
@@ -54,16 +54,16 @@
  * <p>For example, to set the total timeout of getInsight to 30 seconds:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings.Builder recommenderSettingsBuilder = RecommenderSettings.newBuilder();
  * recommenderSettingsBuilder
  *     .getInsightSettings()
  *     .setRetrySettings(
- *         recommenderSettingsBuilder
- *             .getInsightSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * RecommenderSettings recommenderSettings = recommenderSettingsBuilder.build();
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/package-info.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/package-info.java
index 50e13ef7115b..a1c5ea265204 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/package-info.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/package-info.java
@@ -29,8 +29,11 @@
  * <p>Sample for RecommenderClient:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
  *   InsightName name =
  *       InsightName.ofProjectLocationInsightTypeInsightName(
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/HttpJsonRecommenderStub.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/HttpJsonRecommenderStub.java
index 2f1dcd7d1813..94d98e59d09c 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/HttpJsonRecommenderStub.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/HttpJsonRecommenderStub.java
@@ -176,7 +176,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Insight>newBuilder()
@@ -294,7 +294,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Recommendation>newBuilder()
@@ -335,7 +335,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Recommendation>newBuilder()
@@ -375,7 +375,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Recommendation>newBuilder()
@@ -454,7 +454,8 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("recommenderConfig", request.getRecommenderConfig()))
+                                  .toBody(
+                                      "recommenderConfig", request.getRecommenderConfig(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<RecommenderConfig>newBuilder()
@@ -533,7 +534,8 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("insightTypeConfig", request.getInsightTypeConfig()))
+                                  .toBody(
+                                      "insightTypeConfig", request.getInsightTypeConfig(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<InsightTypeConfig>newBuilder()
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/RecommenderStubSettings.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/RecommenderStubSettings.java
index 996d22335bfb..21a399281f43 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/RecommenderStubSettings.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1/stub/RecommenderStubSettings.java
@@ -89,17 +89,17 @@
  * <p>For example, to set the total timeout of getInsight to 30 seconds:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderStubSettings.Builder recommenderSettingsBuilder =
  *     RecommenderStubSettings.newBuilder();
  * recommenderSettingsBuilder
  *     .getInsightSettings()
  *     .setRetrySettings(
- *         recommenderSettingsBuilder
- *             .getInsightSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * RecommenderStubSettings recommenderSettings = recommenderSettingsBuilder.build();
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderClient.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderClient.java
index a751d6f7e0c1..7c7e74b8f60e 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderClient.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderClient.java
@@ -46,8 +46,11 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
  *   InsightName name =
  *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -85,8 +88,11 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings recommenderSettings =
  *     RecommenderSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -97,8 +103,11 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings recommenderSettings =
  *     RecommenderSettings.newBuilder().setEndpoint(myEndpoint).build();
  * RecommenderClient recommenderClient = RecommenderClient.create(recommenderSettings);
@@ -108,8 +117,11 @@
  * the wire:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings recommenderSettings =
  *     RecommenderSettings.newBuilder()
  *         .setTransportChannelProvider(
@@ -178,8 +190,11 @@ public RecommenderStub getStub() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightTypeName parent =
    *       InsightTypeName.ofProjectLocationInsightTypeName(
@@ -228,8 +243,11 @@ public final ListInsightsPagedResponse listInsights(InsightTypeName parent) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String parent =
    *       InsightTypeName.ofProjectLocationInsightTypeName(
@@ -276,8 +294,11 @@ public final ListInsightsPagedResponse listInsights(String parent) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListInsightsRequest request =
    *       ListInsightsRequest.newBuilder()
@@ -310,8 +331,11 @@ public final ListInsightsPagedResponse listInsights(ListInsightsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListInsightsRequest request =
    *       ListInsightsRequest.newBuilder()
@@ -344,8 +368,11 @@ public final ListInsightsPagedResponse listInsights(ListInsightsRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListInsightsRequest request =
    *       ListInsightsRequest.newBuilder()
@@ -384,8 +411,11 @@ public final UnaryCallable<ListInsightsRequest, ListInsightsResponse> listInsigh
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightName name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -411,8 +441,11 @@ public final Insight getInsight(InsightName name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -438,8 +471,11 @@ public final Insight getInsight(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightRequest request =
    *       GetInsightRequest.newBuilder()
@@ -467,8 +503,11 @@ public final Insight getInsight(GetInsightRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightRequest request =
    *       GetInsightRequest.newBuilder()
@@ -499,8 +538,11 @@ public final UnaryCallable<GetInsightRequest, Insight> getInsightCallable() {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightName name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -540,8 +582,11 @@ public final Insight markInsightAccepted(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       InsightName.ofProjectLocationInsightTypeInsightName(
@@ -582,8 +627,11 @@ public final Insight markInsightAccepted(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkInsightAcceptedRequest request =
    *       MarkInsightAcceptedRequest.newBuilder()
@@ -617,8 +665,11 @@ public final Insight markInsightAccepted(MarkInsightAcceptedRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkInsightAcceptedRequest request =
    *       MarkInsightAcceptedRequest.newBuilder()
@@ -648,8 +699,11 @@ public final UnaryCallable<MarkInsightAcceptedRequest, Insight> markInsightAccep
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommenderName parent =
    *       RecommenderName.ofProjectLocationRecommenderName(
@@ -728,8 +782,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String parent =
    *       RecommenderName.ofProjectLocationRecommenderName(
@@ -805,8 +862,11 @@ public final ListRecommendationsPagedResponse listRecommendations(String parent,
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListRecommendationsRequest request =
    *       ListRecommendationsRequest.newBuilder()
@@ -840,8 +900,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListRecommendationsRequest request =
    *       ListRecommendationsRequest.newBuilder()
@@ -875,8 +938,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   ListRecommendationsRequest request =
    *       ListRecommendationsRequest.newBuilder()
@@ -917,8 +983,11 @@ public final ListRecommendationsPagedResponse listRecommendations(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -946,8 +1015,11 @@ public final Recommendation getRecommendation(RecommendationName name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -973,8 +1045,11 @@ public final Recommendation getRecommendation(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommendationRequest request =
    *       GetRecommendationRequest.newBuilder()
@@ -1002,8 +1077,11 @@ public final Recommendation getRecommendation(GetRecommendationRequest request)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommendationRequest request =
    *       GetRecommendationRequest.newBuilder()
@@ -1037,8 +1115,11 @@ public final UnaryCallable<GetRecommendationRequest, Recommendation> getRecommen
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1082,8 +1163,11 @@ public final Recommendation markRecommendationClaimed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1128,8 +1212,11 @@ public final Recommendation markRecommendationClaimed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationClaimedRequest request =
    *       MarkRecommendationClaimedRequest.newBuilder()
@@ -1165,8 +1252,11 @@ public final Recommendation markRecommendationClaimed(MarkRecommendationClaimedR
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationClaimedRequest request =
    *       MarkRecommendationClaimedRequest.newBuilder()
@@ -1204,8 +1294,11 @@ public final Recommendation markRecommendationClaimed(MarkRecommendationClaimedR
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1250,8 +1343,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1297,8 +1393,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationSucceededRequest request =
    *       MarkRecommendationSucceededRequest.newBuilder()
@@ -1336,8 +1435,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationSucceededRequest request =
    *       MarkRecommendationSucceededRequest.newBuilder()
@@ -1375,8 +1477,11 @@ public final Recommendation markRecommendationSucceeded(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommendationName name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1421,8 +1526,11 @@ public final Recommendation markRecommendationFailed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -1468,8 +1576,11 @@ public final Recommendation markRecommendationFailed(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationFailedRequest request =
    *       MarkRecommendationFailedRequest.newBuilder()
@@ -1506,8 +1617,11 @@ public final Recommendation markRecommendationFailed(MarkRecommendationFailedReq
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   MarkRecommendationFailedRequest request =
    *       MarkRecommendationFailedRequest.newBuilder()
@@ -1538,8 +1652,11 @@ public final Recommendation markRecommendationFailed(MarkRecommendationFailedReq
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommenderConfigName name =
    *       RecommenderConfigName.ofProjectLocationRecommenderName(
@@ -1578,8 +1695,11 @@ public final RecommenderConfig getRecommenderConfig(RecommenderConfigName name)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       RecommenderConfigName.ofProjectLocationRecommenderName(
@@ -1617,8 +1737,11 @@ public final RecommenderConfig getRecommenderConfig(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommenderConfigRequest request =
    *       GetRecommenderConfigRequest.newBuilder()
@@ -1646,8 +1769,11 @@ public final RecommenderConfig getRecommenderConfig(GetRecommenderConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetRecommenderConfigRequest request =
    *       GetRecommenderConfigRequest.newBuilder()
@@ -1675,8 +1801,11 @@ public final RecommenderConfig getRecommenderConfig(GetRecommenderConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   RecommenderConfig recommenderConfig = RecommenderConfig.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1706,8 +1835,11 @@ public final RecommenderConfig updateRecommenderConfig(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateRecommenderConfigRequest request =
    *       UpdateRecommenderConfigRequest.newBuilder()
@@ -1733,8 +1865,11 @@ public final RecommenderConfig updateRecommenderConfig(UpdateRecommenderConfigRe
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateRecommenderConfigRequest request =
    *       UpdateRecommenderConfigRequest.newBuilder()
@@ -1762,8 +1897,11 @@ public final RecommenderConfig updateRecommenderConfig(UpdateRecommenderConfigRe
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightTypeConfigName name =
    *       InsightTypeConfigName.ofProjectLocationInsightTypeName(
@@ -1802,8 +1940,11 @@ public final InsightTypeConfig getInsightTypeConfig(InsightTypeConfigName name)
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   String name =
    *       InsightTypeConfigName.ofProjectLocationInsightTypeName(
@@ -1841,8 +1982,11 @@ public final InsightTypeConfig getInsightTypeConfig(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightTypeConfigRequest request =
    *       GetInsightTypeConfigRequest.newBuilder()
@@ -1870,8 +2014,11 @@ public final InsightTypeConfig getInsightTypeConfig(GetInsightTypeConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   GetInsightTypeConfigRequest request =
    *       GetInsightTypeConfigRequest.newBuilder()
@@ -1899,8 +2046,11 @@ public final InsightTypeConfig getInsightTypeConfig(GetInsightTypeConfigRequest
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   InsightTypeConfig insightTypeConfig = InsightTypeConfig.newBuilder().build();
    *   FieldMask updateMask = FieldMask.newBuilder().build();
@@ -1930,8 +2080,11 @@ public final InsightTypeConfig updateInsightTypeConfig(
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateInsightTypeConfigRequest request =
    *       UpdateInsightTypeConfigRequest.newBuilder()
@@ -1957,8 +2110,11 @@ public final InsightTypeConfig updateInsightTypeConfig(UpdateInsightTypeConfigRe
    * <p>Sample code:
    *
    * <pre>{@code
-   * // This snippet has been automatically generated for illustrative purposes only.
-   * // It may require modifications to work in your environment.
+   * // This snippet has been automatically generated and should be regarded as a code template only.
+   * // It will require modifications to work:
+   * // - It may require correct/in-range values for request initialization.
+   * // - It may require specifying regional endpoints when creating the service client as shown in
+   * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
    *   UpdateInsightTypeConfigRequest request =
    *       UpdateInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderSettings.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderSettings.java
index e36c5e346231..580ea8849038 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderSettings.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/RecommenderSettings.java
@@ -54,16 +54,16 @@
  * <p>For example, to set the total timeout of getInsight to 30 seconds:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderSettings.Builder recommenderSettingsBuilder = RecommenderSettings.newBuilder();
  * recommenderSettingsBuilder
  *     .getInsightSettings()
  *     .setRetrySettings(
- *         recommenderSettingsBuilder
- *             .getInsightSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * RecommenderSettings recommenderSettings = recommenderSettingsBuilder.build();
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/package-info.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/package-info.java
index b27dd63d83e3..6bf3ee78bef7 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/package-info.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/package-info.java
@@ -29,8 +29,11 @@
  * <p>Sample for RecommenderClient:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * try (RecommenderClient recommenderClient = RecommenderClient.create()) {
  *   InsightName name =
  *       InsightName.ofProjectLocationInsightTypeInsightName(
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/HttpJsonRecommenderStub.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/HttpJsonRecommenderStub.java
index c85cc4f72d8e..57928d7a1e63 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/HttpJsonRecommenderStub.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/HttpJsonRecommenderStub.java
@@ -176,7 +176,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Insight>newBuilder()
@@ -294,7 +294,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Recommendation>newBuilder()
@@ -335,7 +335,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Recommendation>newBuilder()
@@ -376,7 +376,7 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("*", request.toBuilder().clearName().build()))
+                                  .toBody("*", request.toBuilder().clearName().build(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<Recommendation>newBuilder()
@@ -457,7 +457,8 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("recommenderConfig", request.getRecommenderConfig()))
+                                  .toBody(
+                                      "recommenderConfig", request.getRecommenderConfig(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<RecommenderConfig>newBuilder()
@@ -538,7 +539,8 @@ public class HttpJsonRecommenderStub extends RecommenderStub {
                       .setRequestBodyExtractor(
                           request ->
                               ProtoRestSerializer.create()
-                                  .toBody("insightTypeConfig", request.getInsightTypeConfig()))
+                                  .toBody(
+                                      "insightTypeConfig", request.getInsightTypeConfig(), false))
                       .build())
               .setResponseParser(
                   ProtoMessageResponseParser.<InsightTypeConfig>newBuilder()
diff --git a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/RecommenderStubSettings.java b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/RecommenderStubSettings.java
index 2199023dc74a..9df91bc296ca 100644
--- a/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/RecommenderStubSettings.java
+++ b/java-recommender/google-cloud-recommender/src/main/java/com/google/cloud/recommender/v1beta1/stub/RecommenderStubSettings.java
@@ -89,17 +89,17 @@
  * <p>For example, to set the total timeout of getInsight to 30 seconds:
  *
  * <pre>{@code
- * // This snippet has been automatically generated for illustrative purposes only.
- * // It may require modifications to work in your environment.
+ * // This snippet has been automatically generated and should be regarded as a code template only.
+ * // It will require modifications to work:
+ * // - It may require correct/in-range values for request initialization.
+ * // - It may require specifying regional endpoints when creating the service client as shown in
+ * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * RecommenderStubSettings.Builder recommenderSettingsBuilder =
  *     RecommenderStubSettings.newBuilder();
  * recommenderSettingsBuilder
  *     .getInsightSettings()
  *     .setRetrySettings(
- *         recommenderSettingsBuilder
- *             .getInsightSettings()
- *             .getRetrySettings()
- *             .toBuilder()
+ *         recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
  *             .setTotalTimeout(Duration.ofSeconds(30))
  *             .build());
  * RecommenderStubSettings recommenderSettings = recommenderSettingsBuilder.build();
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider.java
index d080776f898e..5951a2b73827 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings recommenderSettings =
         RecommenderSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java
index dedbd6687b1d..89260e73e393 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings recommenderSettings =
         RecommenderSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetEndpoint.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetEndpoint.java
index 7df4f9209ee3..343ee9993712 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetEndpoint.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings recommenderSettings =
         RecommenderSettings.newBuilder().setEndpoint(myEndpoint).build();
     RecommenderClient recommenderClient = RecommenderClient.create(recommenderSettings);
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/AsyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/AsyncGetInsight.java
index c3886080bc8d..a7afcf22291c 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/AsyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/AsyncGetInsight.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightRequest request =
           GetInsightRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsight.java
index 706768615a34..cd304c2861fb 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsight.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightRequest request =
           GetInsightRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightInsightname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightInsightname.java
index 69c4921e4437..ecb1e144bb9c 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightInsightname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightInsightname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightInsightname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightName name =
           InsightName.ofProjectLocationInsightTypeInsightName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightString.java
index af559b52058f..d763e4b72f68 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsight/SyncGetInsightString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           InsightName.ofProjectLocationInsightTypeInsightName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java
index adf10db47429..475bfd4375c3 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightTypeConfigRequest request =
           GetInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java
index ad9bae99b2a0..977dd94cac07 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightTypeConfigRequest request =
           GetInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java
index c6472ab08460..e34c1bc38c43 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_getinsighttypeconfig_insighttypeconfigname_sync]
+// [START recommender_v1_generated_recommenderclient_getinsighttypeconfig_insighttypeconfigname_sync]
 import com.google.cloud.recommender.v1.InsightTypeConfig;
 import com.google.cloud.recommender.v1.InsightTypeConfigName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightTypeConfigInsighttypeconfigname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightTypeConfigName name =
           InsightTypeConfigName.ofProjectLocationInsightTypeName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java
index 41a59de7c0cf..14e4198389c4 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightTypeConfigString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           InsightTypeConfigName.ofProjectLocationInsightTypeName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/AsyncGetRecommendation.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/AsyncGetRecommendation.java
index abed6e1523bf..f81f1981ab64 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/AsyncGetRecommendation.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/AsyncGetRecommendation.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetRecommendation() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommendationRequest request =
           GetRecommendationRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendation.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendation.java
index e0f9ae71656b..10451705a13a 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendation.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendation.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommendation() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommendationRequest request =
           GetRecommendationRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java
index 753d58cc105b..b75cd67b19e9 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommendationRecommendationname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationString.java
index de04ce88d76b..d84a75eb6844 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommendation/SyncGetRecommendationString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommendationString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java
index b3d2d4023db0..dfd9575064d5 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommenderConfigRequest request =
           GetRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java
index 81b709fe66e5..01b4437ac603 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommenderConfigRequest request =
           GetRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java
index f31cdaf33cd3..0b96e1ffd010 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_getrecommenderconfig_recommenderconfigname_sync]
+// [START recommender_v1_generated_recommenderclient_getrecommenderconfig_recommenderconfigname_sync]
 import com.google.cloud.recommender.v1.RecommenderClient;
 import com.google.cloud.recommender.v1.RecommenderConfig;
 import com.google.cloud.recommender.v1.RecommenderConfigName;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommenderConfigRecommenderconfigname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommenderConfigName name =
           RecommenderConfigName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java
index 77eaf731d4ec..4f90c902807f 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommenderConfigString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommenderConfigName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsights.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsights.java
index b039e65b0455..64ce4b54849d 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsights.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsights.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListInsights() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListInsightsRequest request =
           ListInsightsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsightsPaged.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsightsPaged.java
index c839dd09daf6..fa50a1dcd467 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsightsPaged.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/AsyncListInsightsPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListInsightsPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListInsightsRequest request =
           ListInsightsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsights.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsights.java
index 762761b5b2c5..717fb2fb1fb8 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsights.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsights.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListInsights() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListInsightsRequest request =
           ListInsightsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java
index 782cd22bf147..8a82904a042e 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListInsightsInsighttypename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightTypeName parent =
           InsightTypeName.ofProjectLocationInsightTypeName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsString.java
index 863c396f0769..67dbf3a7d6c9 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listinsights/SyncListInsightsString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListInsightsString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String parent =
           InsightTypeName.ofProjectLocationInsightTypeName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendations.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendations.java
index ec0142e4a846..bc548aaebc0f 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendations.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendations.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListRecommendations() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListRecommendationsRequest request =
           ListRecommendationsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java
index 68ab03877b0a..1248a8466f0b 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListRecommendationsPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListRecommendationsRequest request =
           ListRecommendationsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendations.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendations.java
index 434c7580c22b..9cb63f8e9a28 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendations.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendations.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendations() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListRecommendationsRequest request =
           ListRecommendationsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendername.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendername.java
index daa61fe50048..4e359e837634 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendername.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendername.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendationsRecommendername() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommenderName parent =
           RecommenderName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java
index 187dc9b464f8..73e9c72a26b3 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendationsRecommendernameString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommenderName parent =
           RecommenderName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsString.java
index 1667f8d3d69a..3b234533f5d0 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendationsString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String parent =
           RecommenderName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java
index 78f20d1fadab..129c50fd8c57 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendationsStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String parent =
           RecommenderName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java
index d827362f7c17..32b2c7264613 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkInsightAccepted() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkInsightAcceptedRequest request =
           MarkInsightAcceptedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java
index bd3d4486851f..7dbe2f5a92cd 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkInsightAccepted() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkInsightAcceptedRequest request =
           MarkInsightAcceptedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java
index 3123b74afa47..daa1fad45fc9 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Insight;
 import com.google.cloud.recommender.v1.InsightName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkInsightAcceptedInsightnameMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightName name =
           InsightName.ofProjectLocationInsightTypeInsightName(
@@ -43,5 +45,4 @@ public static void syncMarkInsightAcceptedInsightnameMapstringstringString() thr
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java
index 86b989efc6c0..135bb02d690b 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Insight;
 import com.google.cloud.recommender.v1.InsightName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkInsightAcceptedStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           InsightName.ofProjectLocationInsightTypeInsightName(
@@ -44,5 +46,4 @@ public static void syncMarkInsightAcceptedStringMapstringstringString() throws E
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java
index 73ed88e3c5fe..fed1394a9f85 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkRecommendationClaimed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationClaimedRequest request =
           MarkRecommendationClaimedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java
index a46d34790a61..72433dcb61db 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationClaimed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationClaimedRequest request =
           MarkRecommendationClaimedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java
index 2535dd1be9d8..d8102242a031 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Recommendation;
 import com.google.cloud.recommender.v1.RecommendationName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -32,8 +31,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncMarkRecommendationClaimedRecommendationnameMapstringstringString()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationClaimedRecommendationnameMapstringstrin
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java
index e101284664aa..46913c2e047d 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Recommendation;
 import com.google.cloud.recommender.v1.RecommendationName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationClaimedStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationClaimedStringMapstringstringString() th
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java
index a75a16bdc79f..edceb5c61b75 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkRecommendationFailed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationFailedRequest request =
           MarkRecommendationFailedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java
index 4b8775900822..b03ae0c79195 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationFailed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationFailedRequest request =
           MarkRecommendationFailedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java
index 5ba32fc0b7fc..1f1b689ac6a6 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Recommendation;
 import com.google.cloud.recommender.v1.RecommendationName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -32,8 +31,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncMarkRecommendationFailedRecommendationnameMapstringstringString()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationFailedRecommendationnameMapstringstring
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java
index dd844f2f8903..3c748ed981b3 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Recommendation;
 import com.google.cloud.recommender.v1.RecommendationName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationFailedStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationFailedStringMapstringstringString() thr
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java
index 1ab49b14a54b..7260af9ca68e 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkRecommendationSucceeded() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationSucceededRequest request =
           MarkRecommendationSucceededRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java
index 5b721f2268df..683d1b42de70 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationSucceeded() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationSucceededRequest request =
           MarkRecommendationSucceededRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java
index f3ec0fb1fff2..2e1356ff9138 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Recommendation;
 import com.google.cloud.recommender.v1.RecommendationName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -32,8 +31,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncMarkRecommendationSucceededRecommendationnameMapstringstringString()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationSucceededRecommendationnameMapstringstr
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java
index 8dd3a0251388..8e07b63c47fe 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
+// [START recommender_v1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1.Recommendation;
 import com.google.cloud.recommender.v1.RecommendationName;
 import com.google.cloud.recommender.v1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationSucceededStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationSucceededStringMapstringstringString()
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
+// [END recommender_v1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java
index 852856bf1ec3..8be9bb6f5d56 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateInsightTypeConfigRequest request =
           UpdateInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java
index 122b908c62a0..2f4345722f70 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateInsightTypeConfigRequest request =
           UpdateInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java
index 4658bbbcd39f..5d1393586e88 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
+// [START recommender_v1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
 import com.google.cloud.recommender.v1.InsightTypeConfig;
 import com.google.cloud.recommender.v1.RecommenderClient;
 import com.google.protobuf.FieldMask;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateInsightTypeConfigInsighttypeconfigFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightTypeConfig insightTypeConfig = InsightTypeConfig.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
@@ -39,5 +41,4 @@ public static void syncUpdateInsightTypeConfigInsighttypeconfigFieldmask() throw
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
+// [END recommender_v1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java
index 46fa47cf1588..bd64c52b02bc 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateRecommenderConfigRequest request =
           UpdateRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java
index e7118be69a28..13ff49b09e55 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateRecommenderConfigRequest request =
           UpdateRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java
index 76315731817b..a743e7783be2 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1.samples;
 
-// [START
-// recommender_v1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
+// [START recommender_v1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
 import com.google.cloud.recommender.v1.RecommenderClient;
 import com.google.cloud.recommender.v1.RecommenderConfig;
 import com.google.protobuf.FieldMask;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateRecommenderConfigRecommenderconfigFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommenderConfig recommenderConfig = RecommenderConfig.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
@@ -39,5 +41,4 @@ public static void syncUpdateRecommenderConfigRecommenderconfigFieldmask() throw
     }
   }
 }
-// [END
-// recommender_v1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
+// [END recommender_v1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommendersettings/getinsight/SyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommendersettings/getinsight/SyncGetInsight.java
index 00bce876bc19..87f7f9d26acf 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommendersettings/getinsight/SyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/recommendersettings/getinsight/SyncGetInsight.java
@@ -27,16 +27,16 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings.Builder recommenderSettingsBuilder = RecommenderSettings.newBuilder();
     recommenderSettingsBuilder
         .getInsightSettings()
         .setRetrySettings(
-            recommenderSettingsBuilder
-                .getInsightSettings()
-                .getRetrySettings()
-                .toBuilder()
+            recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     RecommenderSettings recommenderSettings = recommenderSettingsBuilder.build();
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java
index 3156c617efbd..61a3738bab08 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderStubSettings.Builder recommenderSettingsBuilder =
         RecommenderStubSettings.newBuilder();
     recommenderSettingsBuilder
         .getInsightSettings()
         .setRetrySettings(
-            recommenderSettingsBuilder
-                .getInsightSettings()
-                .getRetrySettings()
-                .toBuilder()
+            recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     RecommenderStubSettings recommenderSettings = recommenderSettingsBuilder.build();
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider.java
index ef4471c7f456..6512b0ef816a 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings recommenderSettings =
         RecommenderSettings.newBuilder()
             .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java
index fabfc1243a80..0c81e46de17f 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetCredentialsProvider1.java
@@ -27,8 +27,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetCredentialsProvider1() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings recommenderSettings =
         RecommenderSettings.newBuilder()
             .setTransportChannelProvider(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetEndpoint.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetEndpoint.java
index 238eb9fffef9..0650967a8178 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetEndpoint.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/create/SyncCreateSetEndpoint.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncCreateSetEndpoint() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings recommenderSettings =
         RecommenderSettings.newBuilder().setEndpoint(myEndpoint).build();
     RecommenderClient recommenderClient = RecommenderClient.create(recommenderSettings);
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/AsyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/AsyncGetInsight.java
index 0a9113d246a5..d34a8f2d7a1d 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/AsyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/AsyncGetInsight.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightRequest request =
           GetInsightRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsight.java
index e00236c3209d..348005598a0c 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsight.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightRequest request =
           GetInsightRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightInsightname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightInsightname.java
index 0e3d54193b08..22d8bf9da44a 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightInsightname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightInsightname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightInsightname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightName name =
           InsightName.ofProjectLocationInsightTypeInsightName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightString.java
index 164bac05301b..c843667b9a5e 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsight/SyncGetInsightString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           InsightName.ofProjectLocationInsightTypeInsightName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java
index 0145fb1643dd..ea75e426d8d5 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/AsyncGetInsightTypeConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightTypeConfigRequest request =
           GetInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java
index 9e45a8279601..c56bbebd9380 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetInsightTypeConfigRequest request =
           GetInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java
index 59bd98b7efd5..43899752245c 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigInsighttypeconfigname.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_getinsighttypeconfig_insighttypeconfigname_sync]
+// [START recommender_v1beta1_generated_recommenderclient_getinsighttypeconfig_insighttypeconfigname_sync]
 import com.google.cloud.recommender.v1beta1.InsightTypeConfig;
 import com.google.cloud.recommender.v1beta1.InsightTypeConfigName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightTypeConfigInsighttypeconfigname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightTypeConfigName name =
           InsightTypeConfigName.ofProjectLocationInsightTypeName(
@@ -39,5 +41,4 @@ public static void syncGetInsightTypeConfigInsighttypeconfigname() throws Except
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_getinsighttypeconfig_insighttypeconfigname_sync]
+// [END recommender_v1beta1_generated_recommenderclient_getinsighttypeconfig_insighttypeconfigname_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java
index d296184c7421..fa36de42fcd8 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getinsighttypeconfig/SyncGetInsightTypeConfigString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsightTypeConfigString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           InsightTypeConfigName.ofProjectLocationInsightTypeName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/AsyncGetRecommendation.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/AsyncGetRecommendation.java
index 92d96d65d5c7..1ef98919dc10 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/AsyncGetRecommendation.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/AsyncGetRecommendation.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetRecommendation() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommendationRequest request =
           GetRecommendationRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendation.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendation.java
index cd9ccf15220e..4d4dc2063dd9 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendation.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendation.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommendation() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommendationRequest request =
           GetRecommendationRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java
index e1ae6aa970bf..588770f5426b 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationRecommendationname.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommendationRecommendationname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationString.java
index e93cd4a59330..4c912bb351ff 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommendation/SyncGetRecommendationString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommendationString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java
index 3efdc42a88f9..9cb3aafd542b 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/AsyncGetRecommenderConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncGetRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommenderConfigRequest request =
           GetRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java
index c503dfc5ed2e..0f840f6119a0 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       GetRecommenderConfigRequest request =
           GetRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java
index eb0268aded55..77402ec19688 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigRecommenderconfigname.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_getrecommenderconfig_recommenderconfigname_sync]
+// [START recommender_v1beta1_generated_recommenderclient_getrecommenderconfig_recommenderconfigname_sync]
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
 import com.google.cloud.recommender.v1beta1.RecommenderConfig;
 import com.google.cloud.recommender.v1beta1.RecommenderConfigName;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommenderConfigRecommenderconfigname() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommenderConfigName name =
           RecommenderConfigName.ofProjectLocationRecommenderName(
@@ -39,5 +41,4 @@ public static void syncGetRecommenderConfigRecommenderconfigname() throws Except
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_getrecommenderconfig_recommenderconfigname_sync]
+// [END recommender_v1beta1_generated_recommenderclient_getrecommenderconfig_recommenderconfigname_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java
index 73441451c1c5..603340e8bf14 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/getrecommenderconfig/SyncGetRecommenderConfigString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetRecommenderConfigString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommenderConfigName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsights.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsights.java
index 870ddb173d45..d22b7faf4ccc 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsights.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsights.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListInsights() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListInsightsRequest request =
           ListInsightsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsightsPaged.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsightsPaged.java
index a18a537d30d6..d7baa31bf2cf 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsightsPaged.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/AsyncListInsightsPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListInsightsPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListInsightsRequest request =
           ListInsightsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsights.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsights.java
index 5f4ded8661b0..618de1047377 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsights.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsights.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListInsights() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListInsightsRequest request =
           ListInsightsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java
index 019b48c6715b..ca9b7ebdc7ec 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsInsighttypename.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListInsightsInsighttypename() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightTypeName parent =
           InsightTypeName.ofProjectLocationInsightTypeName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsString.java
index b090bdcb5dfc..a32c93e4f541 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listinsights/SyncListInsightsString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListInsightsString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String parent =
           InsightTypeName.ofProjectLocationInsightTypeName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendations.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendations.java
index c3feb91265d7..c8d8137a0dc7 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendations.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendations.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListRecommendations() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListRecommendationsRequest request =
           ListRecommendationsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java
index 2598b5efc70b..1f334f3151f7 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/AsyncListRecommendationsPaged.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncListRecommendationsPaged() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListRecommendationsRequest request =
           ListRecommendationsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendations.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendations.java
index 2ceeadc57d54..dc4ff44574ed 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendations.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendations.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendations() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       ListRecommendationsRequest request =
           ListRecommendationsRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java
index 0a3b905c63cf..46c5a71e1172 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsRecommendernameString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_listrecommendations_recommendernamestring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_listrecommendations_recommendernamestring_sync]
 import com.google.cloud.recommender.v1beta1.Recommendation;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
 import com.google.cloud.recommender.v1beta1.RecommenderName;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendationsRecommendernameString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommenderName parent =
           RecommenderName.ofProjectLocationRecommenderName(
@@ -43,5 +45,4 @@ public static void syncListRecommendationsRecommendernameString() throws Excepti
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_listrecommendations_recommendernamestring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_listrecommendations_recommendernamestring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java
index 2c8779374a88..4d049fd04b0f 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/listrecommendations/SyncListRecommendationsStringString.java
@@ -28,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncListRecommendationsStringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String parent =
           RecommenderName.ofProjectLocationRecommenderName(
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java
index 212e98952da8..d4854cb65ba3 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/AsyncMarkInsightAccepted.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkInsightAccepted() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkInsightAcceptedRequest request =
           MarkInsightAcceptedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java
index 41dbabe38099..91274c949f3b 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAccepted.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkInsightAccepted() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkInsightAcceptedRequest request =
           MarkInsightAcceptedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java
index 5901c0c32d48..bc5b386a7437 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedInsightnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Insight;
 import com.google.cloud.recommender.v1beta1.InsightName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkInsightAcceptedInsightnameMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightName name =
           InsightName.ofProjectLocationInsightTypeInsightName(
@@ -43,5 +45,4 @@ public static void syncMarkInsightAcceptedInsightnameMapstringstringString() thr
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markinsightaccepted_insightnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java
index 5d50f59351f6..64b4a07c0703 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markinsightaccepted/SyncMarkInsightAcceptedStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Insight;
 import com.google.cloud.recommender.v1beta1.InsightName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkInsightAcceptedStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           InsightName.ofProjectLocationInsightTypeInsightName(
@@ -44,5 +46,4 @@ public static void syncMarkInsightAcceptedStringMapstringstringString() throws E
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markinsightaccepted_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java
index 445a3a9c2919..ad7707c9546c 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/AsyncMarkRecommendationClaimed.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkRecommendationClaimed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationClaimedRequest request =
           MarkRecommendationClaimedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java
index 996ba9405cb8..96fbc2ea3c26 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimed.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationClaimed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationClaimedRequest request =
           MarkRecommendationClaimedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java
index b77b17f1b176..0a309c065f90 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedRecommendationnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Recommendation;
 import com.google.cloud.recommender.v1beta1.RecommendationName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -32,8 +31,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncMarkRecommendationClaimedRecommendationnameMapstringstringString()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationClaimedRecommendationnameMapstringstrin
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_recommendationnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java
index b685889168f8..5793e1af0df4 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationclaimed/SyncMarkRecommendationClaimedStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Recommendation;
 import com.google.cloud.recommender.v1beta1.RecommendationName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationClaimedStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationClaimedStringMapstringstringString() th
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markrecommendationclaimed_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java
index d1e19880554c..1f25ecf8b55f 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/AsyncMarkRecommendationFailed.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkRecommendationFailed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationFailedRequest request =
           MarkRecommendationFailedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java
index 047365382f72..16f5cbc3807b 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailed.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationFailed() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationFailedRequest request =
           MarkRecommendationFailedRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java
index 6893dc0c57b0..2bb10e559a2d 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedRecommendationnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Recommendation;
 import com.google.cloud.recommender.v1beta1.RecommendationName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -32,8 +31,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncMarkRecommendationFailedRecommendationnameMapstringstringString()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationFailedRecommendationnameMapstringstring
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_recommendationnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java
index 6d2f95337031..94503691d5a8 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationfailed/SyncMarkRecommendationFailedStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Recommendation;
 import com.google.cloud.recommender.v1beta1.RecommendationName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationFailedStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationFailedStringMapstringstringString() thr
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markrecommendationfailed_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java
index 7868664e78a5..d4e713f3c768 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/AsyncMarkRecommendationSucceeded.java
@@ -31,8 +31,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncMarkRecommendationSucceeded() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationSucceededRequest request =
           MarkRecommendationSucceededRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java
index 2d814f005042..8b992da1796f 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceeded.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationSucceeded() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       MarkRecommendationSucceededRequest request =
           MarkRecommendationSucceededRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java
index d20ad46fda2d..26774e02a25a 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededRecommendationnameMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Recommendation;
 import com.google.cloud.recommender.v1beta1.RecommendationName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -32,8 +31,11 @@ public static void main(String[] args) throws Exception {
 
   public static void syncMarkRecommendationSucceededRecommendationnameMapstringstringString()
       throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommendationName name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationSucceededRecommendationnameMapstringstr
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_recommendationnamemapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java
index 192ead2c5cfd..2b090f93af37 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/markrecommendationsucceeded/SyncMarkRecommendationSucceededStringMapstringstringString.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
+// [START recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
 import com.google.cloud.recommender.v1beta1.Recommendation;
 import com.google.cloud.recommender.v1beta1.RecommendationName;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
@@ -31,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncMarkRecommendationSucceededStringMapstringstringString() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       String name =
           RecommendationName.ofProjectLocationRecommenderRecommendationName(
@@ -45,5 +47,4 @@ public static void syncMarkRecommendationSucceededStringMapstringstringString()
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
+// [END recommender_v1beta1_generated_recommenderclient_markrecommendationsucceeded_stringmapstringstringstring_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java
index 23b543c5eeb1..69a4ac1d4f1f 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/AsyncUpdateInsightTypeConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateInsightTypeConfigRequest request =
           UpdateInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java
index b29166c2152c..66d65b2c79aa 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateInsightTypeConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateInsightTypeConfigRequest request =
           UpdateInsightTypeConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java
index ea24f784a86e..ed5fc914481b 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updateinsighttypeconfig/SyncUpdateInsightTypeConfigInsighttypeconfigFieldmask.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
+// [START recommender_v1beta1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
 import com.google.cloud.recommender.v1beta1.InsightTypeConfig;
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
 import com.google.protobuf.FieldMask;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateInsightTypeConfigInsighttypeconfigFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       InsightTypeConfig insightTypeConfig = InsightTypeConfig.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
@@ -39,5 +41,4 @@ public static void syncUpdateInsightTypeConfigInsighttypeconfigFieldmask() throw
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
+// [END recommender_v1beta1_generated_recommenderclient_updateinsighttypeconfig_insighttypeconfigfieldmask_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java
index d9d17a3efaa8..b56c8a04c973 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/AsyncUpdateRecommenderConfig.java
@@ -30,8 +30,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void asyncUpdateRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateRecommenderConfigRequest request =
           UpdateRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java
index c51e034f2cb6..a4d7788bcc56 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfig.java
@@ -29,8 +29,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateRecommenderConfig() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       UpdateRecommenderConfigRequest request =
           UpdateRecommenderConfigRequest.newBuilder()
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java
index 72c51e104d68..db05c34e0747 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommenderclient/updaterecommenderconfig/SyncUpdateRecommenderConfigRecommenderconfigFieldmask.java
@@ -16,8 +16,7 @@
 
 package com.google.cloud.recommender.v1beta1.samples;
 
-// [START
-// recommender_v1beta1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
+// [START recommender_v1beta1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
 import com.google.cloud.recommender.v1beta1.RecommenderClient;
 import com.google.cloud.recommender.v1beta1.RecommenderConfig;
 import com.google.protobuf.FieldMask;
@@ -29,8 +28,11 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncUpdateRecommenderConfigRecommenderconfigFieldmask() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     try (RecommenderClient recommenderClient = RecommenderClient.create()) {
       RecommenderConfig recommenderConfig = RecommenderConfig.newBuilder().build();
       FieldMask updateMask = FieldMask.newBuilder().build();
@@ -39,5 +41,4 @@ public static void syncUpdateRecommenderConfigRecommenderconfigFieldmask() throw
     }
   }
 }
-// [END
-// recommender_v1beta1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
+// [END recommender_v1beta1_generated_recommenderclient_updaterecommenderconfig_recommenderconfigfieldmask_sync]
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommendersettings/getinsight/SyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommendersettings/getinsight/SyncGetInsight.java
index 8d3d13fd39a2..e4af94cae76c 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommendersettings/getinsight/SyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/recommendersettings/getinsight/SyncGetInsight.java
@@ -27,16 +27,16 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderSettings.Builder recommenderSettingsBuilder = RecommenderSettings.newBuilder();
     recommenderSettingsBuilder
         .getInsightSettings()
         .setRetrySettings(
-            recommenderSettingsBuilder
-                .getInsightSettings()
-                .getRetrySettings()
-                .toBuilder()
+            recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     RecommenderSettings recommenderSettings = recommenderSettingsBuilder.build();
diff --git a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java
index 9194e90466dd..2f90bd366388 100644
--- a/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java
+++ b/java-recommender/samples/snippets/generated/com/google/cloud/recommender/v1beta1/stub/recommenderstubsettings/getinsight/SyncGetInsight.java
@@ -27,17 +27,17 @@ public static void main(String[] args) throws Exception {
   }
 
   public static void syncGetInsight() throws Exception {
-    // This snippet has been automatically generated for illustrative purposes only.
-    // It may require modifications to work in your environment.
+    // This snippet has been automatically generated and should be regarded as a code template only.
+    // It will require modifications to work:
+    // - It may require correct/in-range values for request initialization.
+    // - It may require specifying regional endpoints when creating the service client as shown in
+    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
     RecommenderStubSettings.Builder recommenderSettingsBuilder =
         RecommenderStubSettings.newBuilder();
     recommenderSettingsBuilder
         .getInsightSettings()
         .setRetrySettings(
-            recommenderSettingsBuilder
-                .getInsightSettings()
-                .getRetrySettings()
-                .toBuilder()
+            recommenderSettingsBuilder.getInsightSettings().getRetrySettings().toBuilder()
                 .setTotalTimeout(Duration.ofSeconds(30))
                 .build());
     RecommenderStubSettings recommenderSettings = recommenderSettingsBuilder.build();