feat: Adding deprecated message to v1beta2 manual client (#2098)

* feat: Adding deprecated message to v1beta2 manual client

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/BQTableSchemaToProtoDescriptor.java

@@ -33,6 +33,7 @@
  * when constructing the protobuf descriptor. The mapping between field types and field modes are
  * shown in the ImmutableMaps below.
  */
+@Deprecated
 public class BQTableSchemaToProtoDescriptor {
   private static ImmutableMap<TableFieldSchema.Mode, FieldDescriptorProto.Label>
       BQTableSchemaModeMap =

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/CivilTimeEncoder.java

@@ -47,6 +47,7 @@
  * <p>When encoding the TIME or DATETIME into a bit field, larger date/time field is on the more
  * significant side.
  */
+@Deprecated
 public final class CivilTimeEncoder {
   private static final int NANO_LENGTH = 30;
   private static final int MICRO_LENGTH = 20;

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonStreamWriter.java

@@ -35,7 +35,10 @@
  * A StreamWriter that can write JSON data (JSONObjects) to BigQuery tables. The JsonStreamWriter is
  * built on top of a StreamWriter, and it simply converts all JSON data to protobuf messages then
  * calls StreamWriter's append() method to write to BigQuery tables.
+ *
+ * <p>This client lib is deprecated, please use v1 instead.
  */
+@Deprecated
 public class JsonStreamWriter implements AutoCloseable {
   private static String streamPatternString =
       "projects/[^/]+/datasets/[^/]+/tables/[^/]+/streams/[^/]+";

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonToProtoMessage.java

@@ -36,7 +36,10 @@
 /**
  * Converts Json data to protocol buffer messages given the protocol buffer descriptor. The protobuf
  * descriptor must have all fields lowercased.
+ *
+ * <p>This client lib is deprecated, please use v1 instead.
  */
+@Deprecated
 public class JsonToProtoMessage {
   private static final Logger LOG = Logger.getLogger(JsonToProtoMessage.class.getName());
   private static ImmutableMap<FieldDescriptor.Type, String> FieldTypeToDebugMessage =

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/ProtoSchemaConverter.java

@@ -29,6 +29,9 @@
 // A Converter class that turns a native protobuf::DescriptorProto to a self contained
 // protobuf::DescriptorProto
 // that can be reconstructed by the backend.
+//
+// This client lib is deprecated, please use v1 instead.
+@Deprecated
 public class ProtoSchemaConverter {
   private static String getNameFromFullName(String fullName) {
     return fullName.replace('.', '_');

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/StreamConnection.java

@@ -35,7 +35,10 @@
  * in receiving order.
  *
  * <p>It's user's responsibility to do the flow control and maintain the lifetime of the requests.
+ *
+ * <p>This client lib is deprecated, please use v1 instead.
  */
+@Deprecated
 public class StreamConnection {
   private BidiStreamingCallable<AppendRowsRequest, AppendRowsResponse> bidiStreamingCallable;
   private ClientStream<AppendRowsRequest> clientStream;

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/StreamWriterV2.java

@@ -45,7 +45,10 @@
  * <p>TODO: Support batching.
  *
  * <p>TODO: Support schema change.
+ *
+ * <p>This client lib is deprecated, please use v1 instead.
  */
+@Deprecated
 public class StreamWriterV2 implements AutoCloseable {
   private static final Logger log = Logger.getLogger(StreamWriterV2.class.getName());
 

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/Waiter.java

@@ -29,6 +29,7 @@
  * A barrier kind of object that helps keep track of pending actions and synchronously wait until
  * all have completed.
  */
+@Deprecated
 class Waiter {
   private static final Logger LOG =
       Logger.getLogger(com.google.cloud.bigquery.storage.v1beta2.Waiter.class.getName());