diff --git a/codegen/sdk-codegen/aws-models/backup.json b/codegen/sdk-codegen/aws-models/backup.json
index 0c98c38a3c6..884ed9c8b1f 100644
--- a/codegen/sdk-codegen/aws-models/backup.json
+++ b/codegen/sdk-codegen/aws-models/backup.json
@@ -494,7 +494,7 @@
                 "Lifecycle": {
                     "target": "com.amazonaws.backup#Lifecycle",
                     "traits": {
-                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold. </p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold. </p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
                     }
                 },
                 "RecoveryPointTags": {
@@ -564,7 +564,7 @@
                 "Lifecycle": {
                     "target": "com.amazonaws.backup#Lifecycle",
                     "traits": {
-                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup will transition and expire backups automatically according\n         to the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup will transition and expire backups automatically according\n         to the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
                     }
                 },
                 "RecoveryPointTags": {
@@ -634,7 +634,7 @@
                 "ListOfTags": {
                     "target": "com.amazonaws.backup#ListOfTags",
                     "traits": {
-                        "smithy.api#documentation": "<p>A list of conditions that you define to assign resources to your backup plans using\n         tags. For example, <code>\"StringEquals\": {\"Department\": \"accounting\"</code>. Condition\n         operators are case sensitive.</p>\n         <p>\n            <code>ListOfTags</code> differs from <code>Conditions</code> as follows:</p>\n         <ul>\n            <li>\n               <p>When you specify more than one condition, you assign all resources that match AT\n               LEAST ONE condition (using OR logic).</p>\n            </li>\n            <li>\n               <p>\n                  <code>ListOfTags</code> only supports <code>StringEquals</code>.\n                  <code>Conditions</code> supports <code>StringEquals</code>,\n                  <code>StringLike</code>, <code>StringNotEquals</code>, and\n                  <code>StringNotLike</code>. </p>\n            </li>\n         </ul>"
+                        "smithy.api#documentation": "<p>A list of conditions that you define to assign resources to your backup plans using\n         tags. For example, <code>\"StringEquals\":  {\n            \"ConditionKey\": \"aws:ResourceTag/CreatedByCryo\",\n            \"ConditionValue\": \"true\"\n            },</code>. Condition\n         operators are case sensitive.</p>\n         <p>\n            <code>ListOfTags</code> differs from <code>Conditions</code> as follows:</p>\n         <ul>\n            <li>\n               <p>When you specify more than one condition, you assign all resources that match AT\n               LEAST ONE condition (using OR logic).</p>\n            </li>\n            <li>\n               <p>\n                  <code>ListOfTags</code> only supports <code>StringEquals</code>.\n                  <code>Conditions</code> supports <code>StringEquals</code>,\n                  <code>StringLike</code>, <code>StringNotEquals</code>, and\n                  <code>StringNotLike</code>. </p>\n            </li>\n         </ul>"
                     }
                 },
                 "NotResources": {
@@ -646,12 +646,12 @@
                 "Conditions": {
                     "target": "com.amazonaws.backup#Conditions",
                     "traits": {
-                        "smithy.api#documentation": "<p>A list of conditions that you define to assign resources to your backup plans using\n         tags. For example, <code>\"StringEquals\": {\"Department\": \"accounting\"</code>. Condition\n         operators are case sensitive.</p>\n         <p>\n            <code>Conditions</code> differs from <code>ListOfTags</code> as follows:</p>\n         <ul>\n            <li>\n               <p>When you specify more than one condition, you only assign the resources that match\n               ALL conditions (using AND logic).</p>\n            </li>\n            <li>\n               <p>\n                  <code>Conditions</code> supports <code>StringEquals</code>,\n                  <code>StringLike</code>, <code>StringNotEquals</code>, and\n                  <code>StringNotLike</code>. <code>ListOfTags</code> only supports\n                  <code>StringEquals</code>.</p>\n            </li>\n         </ul>"
+                        "smithy.api#documentation": "<p>A list of conditions that you define to assign resources to your backup plans using\n         tags. For example, <code>\"StringEquals\":  {\n            \"ConditionKey\": \"aws:ResourceTag/CreatedByCryo\",\n            \"ConditionValue\": \"true\"\n            },</code>. Condition\n         operators are case sensitive.</p>\n         <p>\n            <code>Conditions</code> differs from <code>ListOfTags</code> as follows:</p>\n         <ul>\n            <li>\n               <p>When you specify more than one condition, you only assign the resources that match\n               ALL conditions (using AND logic).</p>\n            </li>\n            <li>\n               <p>\n                  <code>Conditions</code> supports <code>StringEquals</code>,\n                  <code>StringLike</code>, <code>StringNotEquals</code>, and\n                  <code>StringNotLike</code>. <code>ListOfTags</code> only supports\n                  <code>StringEquals</code>.</p>\n            </li>\n         </ul>"
                     }
                 }
             },
             "traits": {
-                "smithy.api#documentation": "<p>Used to specify a set of resources to a backup plan.</p>"
+                "smithy.api#documentation": "<p>Used to specify a set of resources to a backup plan.</p>\n         <p>Specifying your desired <code>Conditions</code>, <code>ListOfTags</code>, <code>NotResources</code>, \n         and/or <code>Resources</code> is recommended. If none of these are specified, Backup will attempt to \n       select all supported and opted-in storage resources, which could have unintended cost implications.</p>"
             }
         },
         "com.amazonaws.backup#BackupSelectionName": {
@@ -897,7 +897,7 @@
                 }
             },
             "traits": {
-                "smithy.api#documentation": "<p>Contains <code>DeleteAt</code> and <code>MoveToColdStorageAt</code> timestamps, which\n         are used to specify a lifecycle for a recovery point.</p>\n         <p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                "smithy.api#documentation": "<p>Contains <code>DeleteAt</code> and <code>MoveToColdStorageAt</code> timestamps, which\n         are used to specify a lifecycle for a recovery point.</p>\n         <p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
             }
         },
         "com.amazonaws.backup#ComplianceResourceIdList": {
@@ -3120,7 +3120,7 @@
                 "Lifecycle": {
                     "target": "com.amazonaws.backup#Lifecycle",
                     "traits": {
-                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups that are transitioned to cold storage must be stored in cold storage for a\n         minimum of 90 days. Therefore, the “retention” setting must be 90 days greater than the\n         “transition to cold after days” setting. The “transition to cold after days” setting cannot\n         be changed after a backup has been transitioned to cold. </p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups that are transitioned to cold storage must be stored in cold storage for a\n         minimum of 90 days. Therefore, the “retention” setting must be 90 days greater than the\n         “transition to cold after days” setting. The “transition to cold after days” setting cannot\n         be changed after a backup has been transitioned to cold. </p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
                     }
                 },
                 "EncryptionKeyArn": {
@@ -4336,7 +4336,7 @@
                 }
             },
             "traits": {
-                "smithy.api#documentation": "<p>Contains an array of <code>Transition</code> objects specifying how long in days before\n         a recovery point transitions to cold storage or is deleted.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, on the console, the “retention” setting must be 90 days greater than the\n         “transition to cold after days” setting. The “transition to cold after days” setting cannot\n         be changed after a backup has been transitioned to cold.</p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                "smithy.api#documentation": "<p>Contains an array of <code>Transition</code> objects specifying how long in days before\n         a recovery point transitions to cold storage or is deleted.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, on the console, the “retention” setting must be 90 days greater than the\n         “transition to cold after days” setting. The “transition to cold after days” setting cannot\n         be changed after a backup has been transitioned to cold.</p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
             }
         },
         "com.amazonaws.backup#LimitExceededException": {
@@ -6093,7 +6093,7 @@
                 "Lifecycle": {
                     "target": "com.amazonaws.backup#Lifecycle",
                     "traits": {
-                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold. </p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold. </p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
                     }
                 },
                 "EncryptionKeyArn": {
@@ -6764,7 +6764,7 @@
                 "Lifecycle": {
                     "target": "com.amazonaws.backup#Lifecycle",
                     "traits": {
-                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup will transition and expire backups automatically according\n         to the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold. </p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup will transition and expire backups automatically according\n         to the lifecycle that you define. </p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold. </p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
                     }
                 },
                 "RecoveryPointTags": {
@@ -7016,8 +7016,7 @@
                 "IamRoleArn": {
                     "target": "com.amazonaws.backup#IAMRoleArn",
                     "traits": {
-                        "smithy.api#documentation": "<p>The Amazon Resource Name (ARN) of the IAM role that Backup uses to create\n         the target recovery point; for example,\n            <code>arn:aws:iam::123456789012:role/S3Access</code>.</p>",
-                        "smithy.api#required": {}
+                        "smithy.api#documentation": "<p>The Amazon Resource Name (ARN) of the IAM role that Backup uses to create\n         the target recovery point; for example,\n            <code>arn:aws:iam::123456789012:role/S3Access</code>.</p>"
                     }
                 },
                 "IdempotencyToken": {
@@ -7496,7 +7495,7 @@
                 }
             ],
             "traits": {
-                "smithy.api#documentation": "<p>Sets the transition lifecycle of a recovery point.</p>\n         <p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>\n         <p>This operation does not support continuous backups.</p>",
+                "smithy.api#documentation": "<p>Sets the transition lifecycle of a recovery point.</p>\n         <p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>\n         <p>This operation does not support continuous backups.</p>",
                 "smithy.api#http": {
                     "method": "POST",
                     "uri": "/backup-vaults/{BackupVaultName}/recovery-points/{RecoveryPointArn}",
@@ -7550,7 +7549,7 @@
                 "Lifecycle": {
                     "target": "com.amazonaws.backup#Lifecycle",
                     "traits": {
-                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Only resource types that support full Backup management can transition their\n         backups to cold storage. Those resource types are listed in the \"Full Backup\n         management\" section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> Feature\n            availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
+                        "smithy.api#documentation": "<p>The lifecycle defines when a protected resource is transitioned to cold storage and when\n         it expires. Backup transitions and expires backups automatically according to\n         the lifecycle that you define.</p>\n         <p>Backups transitioned to cold storage must be stored in cold storage for a minimum of 90\n         days. Therefore, the “retention” setting must be 90 days greater than the “transition to\n         cold after days” setting. The “transition to cold after days” setting cannot be changed\n         after a backup has been transitioned to cold.</p>\n         <p>Resource types that are able to be transitioned to cold storage are listed in the \"Lifecycle to cold storage\" \n         section of the <a href=\"https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html#features-by-resource\"> \n            Feature availability by resource</a> table. Backup ignores this expression for\n         other resource types.</p>"
                     }
                 },
                 "CalculatedLifecycle": {