diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
index fade3c4ecf5..37f3a5c2ee6 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudnumberregistry</artifactId>
-      <version>v1alpha-rev20260506-2.0.0</version>
+      <version>v1alpha-rev20260527-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260506-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260527-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/CloudNumberRegistry.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/CloudNumberRegistry.java
index c5af31145d6..b56741fa1cc 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/CloudNumberRegistry.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/CloudNumberRegistry.java
@@ -582,7 +582,7 @@ public class CustomRanges {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Create#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Value for parent.
+         * @param parent Required. The parent resource name where the CustomRange will be created.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.CustomRange}
          * @return the request
          */
@@ -610,7 +610,7 @@ public class Create extends CloudNumberRegistryRequest<com.google.api.services.c
            * Create#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Value for parent.
+           * @param parent Required. The parent resource name where the CustomRange will be created.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.CustomRange}
            * @since 1.13
            */
@@ -679,17 +679,17 @@ public Create setUploadProtocol(java.lang.String uploadProtocol) {
             return (Create) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the CustomRange will be created. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Value for parent.
+          /** Required. The parent resource name where the CustomRange will be created.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the CustomRange will be created. */
           public Create setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -700,17 +700,24 @@ public Create setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the CustomRange, which will become the final segment of the
+           * resource name.
+           */
           @com.google.api.client.util.Key
           private java.lang.String customRangeId;
 
-          /** Required. Id of the requesting object.
+          /** Required. The ID to use for the CustomRange, which will become the final segment of the resource
+         name.
            */
           public java.lang.String getCustomRangeId() {
             return customRangeId;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the CustomRange, which will become the final segment of the
+           * resource name.
+           */
           public Create setCustomRangeId(java.lang.String customRangeId) {
             this.customRangeId = customRangeId;
             return this;
@@ -772,7 +779,7 @@ public Create set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Delete#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the CustomRange to delete.
          * @return the request
          */
         public Delete delete(java.lang.String name) throws java.io.IOException {
@@ -799,7 +806,7 @@ public class Delete extends CloudNumberRegistryRequest<com.google.api.services.c
            * Delete#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the CustomRange to delete.
            * @since 1.13
            */
           protected Delete(java.lang.String name) {
@@ -867,17 +874,17 @@ public Delete setUploadProtocol(java.lang.String uploadProtocol) {
             return (Delete) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the CustomRange to delete. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the CustomRange to delete.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the CustomRange to delete. */
           public Delete setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -961,7 +968,7 @@ public Delete set(String parameterName, Object value) {
          * optional parameters, call the {@link FindFreeIpRanges#execute()} method to invoke the remote
          * operation.
          *
-         * @param name Required. Name of the CustomRange.
+         * @param name Required. The resource name of the CustomRange to search within.
          * @return the request
          */
         public FindFreeIpRanges findFreeIpRanges(java.lang.String name) throws java.io.IOException {
@@ -988,7 +995,7 @@ public class FindFreeIpRanges extends CloudNumberRegistryRequest<com.google.api.
            * ces.AbstractGoogleClientRequest)} must be called to initialize this instance immediately after
            * invoking the constructor. </p>
            *
-           * @param name Required. Name of the CustomRange.
+           * @param name Required. The resource name of the CustomRange to search within.
            * @since 1.13
            */
           protected FindFreeIpRanges(java.lang.String name) {
@@ -1066,17 +1073,17 @@ public FindFreeIpRanges setUploadProtocol(java.lang.String uploadProtocol) {
             return (FindFreeIpRanges) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the CustomRange. */
+          /** Required. The resource name of the CustomRange to search within. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the CustomRange.
+          /** Required. The resource name of the CustomRange to search within.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the CustomRange. */
+          /** Required. The resource name of the CustomRange to search within. */
           public FindFreeIpRanges setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -1175,7 +1182,7 @@ public FindFreeIpRanges set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Get#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the CustomRange to retrieve.
          * @return the request
          */
         public Get get(java.lang.String name) throws java.io.IOException {
@@ -1202,7 +1209,7 @@ public class Get extends CloudNumberRegistryRequest<com.google.api.services.clou
            * Get#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the CustomRange to retrieve.
            * @since 1.13
            */
           protected Get(java.lang.String name) {
@@ -1280,17 +1287,17 @@ public Get setUploadProtocol(java.lang.String uploadProtocol) {
             return (Get) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the CustomRange to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the CustomRange to retrieve.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the CustomRange to retrieve. */
           public Get setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -1314,7 +1321,7 @@ public Get set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link List#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Parent value for ListCustomRangesRequest
+         * @param parent Required. The parent resource name, for example `projects/locations`.
          * @return the request
          */
         public List list(java.lang.String parent) throws java.io.IOException {
@@ -1341,7 +1348,7 @@ public class List extends CloudNumberRegistryRequest<com.google.api.services.clo
            * List#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Parent value for ListCustomRangesRequest
+           * @param parent Required. The parent resource name, for example `projects/locations`.
            * @since 1.13
            */
           protected List(java.lang.String parent) {
@@ -1419,17 +1426,17 @@ public List setUploadProtocol(java.lang.String uploadProtocol) {
             return (List) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Parent value for ListCustomRangesRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Parent value for ListCustomRangesRequest
+          /** Required. The parent resource name, for example `projects/locations`.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Parent value for ListCustomRangesRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           public List setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -1440,17 +1447,17 @@ public List setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Optional. Filtering results. */
+          /** Optional. Filter expression to filter the results. */
           @com.google.api.client.util.Key
           private java.lang.String filter;
 
-          /** Optional. Filtering results.
+          /** Optional. Filter expression to filter the results.
            */
           public java.lang.String getFilter() {
             return filter;
           }
 
-          /** Optional. Filtering results. */
+          /** Optional. Filter expression to filter the results. */
           public List setFilter(java.lang.String filter) {
             this.filter = filter;
             return this;
@@ -1524,7 +1531,8 @@ public List set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Patch#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Identifier. name of resource
+         * @param name Required. Identifier. The resource name of the CustomRange, in the format
+         *        `projects/{project}/locations/{location}/customRanges/{custom_range}`.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.CustomRange}
          * @return the request
          */
@@ -1552,7 +1560,8 @@ public class Patch extends CloudNumberRegistryRequest<com.google.api.services.cl
            * Patch#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Identifier. name of resource
+           * @param name Required. Identifier. The resource name of the CustomRange, in the format
+         *        `projects/{project}/locations/{location}/customRanges/{custom_range}`.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.CustomRange}
            * @since 1.13
            */
@@ -1621,17 +1630,24 @@ public Patch setUploadProtocol(java.lang.String uploadProtocol) {
             return (Patch) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Identifier. name of resource */
+          /**
+           * Required. Identifier. The resource name of the CustomRange, in the format
+           * `projects/{project}/locations/{location}/customRanges/{custom_range}`.
+           */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Identifier. name of resource
+          /** Required. Identifier. The resource name of the CustomRange, in the format
+         `projects/{project}/locations/{location}/customRanges/{custom_range}`.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Identifier. name of resource */
+          /**
+           * Required. Identifier. The resource name of the CustomRange, in the format
+           * `projects/{project}/locations/{location}/customRanges/{custom_range}`.
+           */
           public Patch setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -1728,7 +1744,7 @@ public Patch set(String parameterName, Object value) {
          * optional parameters, call the {@link ShowUtilization#execute()} method to invoke the remote
          * operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the CustomRange.
          * @return the request
          */
         public ShowUtilization showUtilization(java.lang.String name) throws java.io.IOException {
@@ -1755,7 +1771,7 @@ public class ShowUtilization extends CloudNumberRegistryRequest<com.google.api.s
            * ractGoogleClientRequest)} must be called to initialize this instance immediately after invoking
            * the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the CustomRange.
            * @since 1.13
            */
           protected ShowUtilization(java.lang.String name) {
@@ -1833,17 +1849,17 @@ public ShowUtilization setUploadProtocol(java.lang.String uploadProtocol) {
             return (ShowUtilization) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the CustomRange. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the CustomRange.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the CustomRange. */
           public ShowUtilization setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -1890,7 +1906,7 @@ public class DiscoveredRanges {
          * optional parameters, call the {@link FindFreeIpRanges#execute()} method to invoke the remote
          * operation.
          *
-         * @param name Required. Name of the DiscoveredRange.
+         * @param name Required. The resource name of the DiscoveredRange to search within.
          * @return the request
          */
         public FindFreeIpRanges findFreeIpRanges(java.lang.String name) throws java.io.IOException {
@@ -1917,7 +1933,7 @@ public class FindFreeIpRanges extends CloudNumberRegistryRequest<com.google.api.
            * ces.AbstractGoogleClientRequest)} must be called to initialize this instance immediately after
            * invoking the constructor. </p>
            *
-           * @param name Required. Name of the DiscoveredRange.
+           * @param name Required. The resource name of the DiscoveredRange to search within.
            * @since 1.13
            */
           protected FindFreeIpRanges(java.lang.String name) {
@@ -1995,17 +2011,17 @@ public FindFreeIpRanges setUploadProtocol(java.lang.String uploadProtocol) {
             return (FindFreeIpRanges) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the DiscoveredRange. */
+          /** Required. The resource name of the DiscoveredRange to search within. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the DiscoveredRange.
+          /** Required. The resource name of the DiscoveredRange to search within.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the DiscoveredRange. */
+          /** Required. The resource name of the DiscoveredRange to search within. */
           public FindFreeIpRanges setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -2104,7 +2120,7 @@ public FindFreeIpRanges set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Get#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the DiscoveredRange to retrieve.
          * @return the request
          */
         public Get get(java.lang.String name) throws java.io.IOException {
@@ -2131,7 +2147,7 @@ public class Get extends CloudNumberRegistryRequest<com.google.api.services.clou
            * Get#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the DiscoveredRange to retrieve.
            * @since 1.13
            */
           protected Get(java.lang.String name) {
@@ -2209,17 +2225,17 @@ public Get setUploadProtocol(java.lang.String uploadProtocol) {
             return (Get) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the DiscoveredRange to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the DiscoveredRange to retrieve.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the DiscoveredRange to retrieve. */
           public Get setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -2243,7 +2259,7 @@ public Get set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link List#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Parent value for ListDiscoveredRangesRequest
+         * @param parent Required. The parent resource name, for example `projects/locations`.
          * @return the request
          */
         public List list(java.lang.String parent) throws java.io.IOException {
@@ -2270,7 +2286,7 @@ public class List extends CloudNumberRegistryRequest<com.google.api.services.clo
            * List#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Parent value for ListDiscoveredRangesRequest
+           * @param parent Required. The parent resource name, for example `projects/locations`.
            * @since 1.13
            */
           protected List(java.lang.String parent) {
@@ -2348,17 +2364,17 @@ public List setUploadProtocol(java.lang.String uploadProtocol) {
             return (List) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Parent value for ListDiscoveredRangesRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Parent value for ListDiscoveredRangesRequest
+          /** Required. The parent resource name, for example `projects/locations`.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Parent value for ListDiscoveredRangesRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           public List setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -2369,17 +2385,17 @@ public List setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Optional. Filtering results. */
+          /** Optional. Filter expression to filter the results. */
           @com.google.api.client.util.Key
           private java.lang.String filter;
 
-          /** Optional. Filtering results.
+          /** Optional. Filter expression to filter the results.
            */
           public java.lang.String getFilter() {
             return filter;
           }
 
-          /** Optional. Filtering results. */
+          /** Optional. Filter expression to filter the results. */
           public List setFilter(java.lang.String filter) {
             this.filter = filter;
             return this;
@@ -2454,7 +2470,7 @@ public List set(String parameterName, Object value) {
          * optional parameters, call the {@link ShowUtilization#execute()} method to invoke the remote
          * operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the DiscoveredRange.
          * @return the request
          */
         public ShowUtilization showUtilization(java.lang.String name) throws java.io.IOException {
@@ -2481,7 +2497,7 @@ public class ShowUtilization extends CloudNumberRegistryRequest<com.google.api.s
            * ractGoogleClientRequest)} must be called to initialize this instance immediately after invoking
            * the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the DiscoveredRange.
            * @since 1.13
            */
           protected ShowUtilization(java.lang.String name) {
@@ -2559,17 +2575,17 @@ public ShowUtilization setUploadProtocol(java.lang.String uploadProtocol) {
             return (ShowUtilization) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the DiscoveredRange. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the DiscoveredRange.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the DiscoveredRange. */
           public ShowUtilization setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -2608,7 +2624,7 @@ public IpamAdminScopes ipamAdminScopes() {
       public class IpamAdminScopes {
 
         /**
-         * Checks the availability of IPAM admin scopes in a given project and location.
+         * Checks the availability of IpamAdminScopes in a given project and location.
          *
          * Create a request for the method "ipamAdminScopes.checkAvailability".
          *
@@ -2616,7 +2632,7 @@ public class IpamAdminScopes {
          * optional parameters, call the {@link CheckAvailability#execute()} method to invoke the remote
          * operation.
          *
-         * @param parent Required. Parent value for the IpamAdminScopes.
+         * @param parent Required. The parent resource name, for example `projects/locations`.
          * @return the request
          */
         public CheckAvailability checkAvailability(java.lang.String parent) throws java.io.IOException {
@@ -2633,7 +2649,7 @@ public class CheckAvailability extends CloudNumberRegistryRequest<com.google.api
               java.util.regex.Pattern.compile("^projects/[^/]+/locations/[^/]+$");
 
           /**
-           * Checks the availability of IPAM admin scopes in a given project and location.
+           * Checks the availability of IpamAdminScopes in a given project and location.
            *
            * Create a request for the method "ipamAdminScopes.checkAvailability".
            *
@@ -2643,7 +2659,7 @@ public class CheckAvailability extends CloudNumberRegistryRequest<com.google.api
            * ices.AbstractGoogleClientRequest)} must be called to initialize this instance immediately after
            * invoking the constructor. </p>
            *
-           * @param parent Required. Parent value for the IpamAdminScopes.
+           * @param parent Required. The parent resource name, for example `projects/locations`.
            * @since 1.13
            */
           protected CheckAvailability(java.lang.String parent) {
@@ -2721,17 +2737,17 @@ public CheckAvailability setUploadProtocol(java.lang.String uploadProtocol) {
             return (CheckAvailability) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Parent value for the IpamAdminScopes. */
+          /** Required. The parent resource name, for example `projects/locations`. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Parent value for the IpamAdminScopes.
+          /** Required. The parent resource name, for example `projects/locations`.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Parent value for the IpamAdminScopes. */
+          /** Required. The parent resource name, for example `projects/locations`. */
           public CheckAvailability setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -2742,17 +2758,17 @@ public CheckAvailability setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Required. The scopes of the IpamAdminScopes to look for. */
+          /** Required. The administrative scopes to check for availability. */
           @com.google.api.client.util.Key
           private java.util.List<java.lang.String> scopes;
 
-          /** Required. The scopes of the IpamAdminScopes to look for.
+          /** Required. The administrative scopes to check for availability.
            */
           public java.util.List<java.lang.String> getScopes() {
             return scopes;
           }
 
-          /** Required. The scopes of the IpamAdminScopes to look for. */
+          /** Required. The administrative scopes to check for availability. */
           public CheckAvailability setScopes(java.util.List<java.lang.String> scopes) {
             this.scopes = scopes;
             return this;
@@ -2771,7 +2787,7 @@ public CheckAvailability set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Cleanup#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the IpamAdminScope to clean up.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.CleanupIpamAdminScopeRequest}
          * @return the request
          */
@@ -2799,7 +2815,7 @@ public class Cleanup extends CloudNumberRegistryRequest<com.google.api.services.
            * Cleanup#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the IpamAdminScope to clean up.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.CleanupIpamAdminScopeRequest}
            * @since 1.13
            */
@@ -2868,17 +2884,17 @@ public Cleanup setUploadProtocol(java.lang.String uploadProtocol) {
             return (Cleanup) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to clean up. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the IpamAdminScope to clean up.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to clean up. */
           public Cleanup setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -2902,7 +2918,7 @@ public Cleanup set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Create#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Value for parent.
+         * @param parent Required. The parent resource name where the IpamAdminScope will be created.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.IpamAdminScope}
          * @return the request
          */
@@ -2930,7 +2946,7 @@ public class Create extends CloudNumberRegistryRequest<com.google.api.services.c
            * Create#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Value for parent.
+           * @param parent Required. The parent resource name where the IpamAdminScope will be created.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.IpamAdminScope}
            * @since 1.13
            */
@@ -2999,17 +3015,17 @@ public Create setUploadProtocol(java.lang.String uploadProtocol) {
             return (Create) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the IpamAdminScope will be created. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Value for parent.
+          /** Required. The parent resource name where the IpamAdminScope will be created.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the IpamAdminScope will be created. */
           public Create setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -3020,17 +3036,24 @@ public Create setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the IpamAdminScope, which will become the final segment of
+           * the resource name.
+           */
           @com.google.api.client.util.Key
           private java.lang.String ipamAdminScopeId;
 
-          /** Required. Id of the requesting object.
+          /** Required. The ID to use for the IpamAdminScope, which will become the final segment of the resource
+         name.
            */
           public java.lang.String getIpamAdminScopeId() {
             return ipamAdminScopeId;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the IpamAdminScope, which will become the final segment of
+           * the resource name.
+           */
           public Create setIpamAdminScopeId(java.lang.String ipamAdminScopeId) {
             this.ipamAdminScopeId = ipamAdminScopeId;
             return this;
@@ -3092,7 +3115,7 @@ public Create set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Delete#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the IpamAdminScope to delete.
          * @return the request
          */
         public Delete delete(java.lang.String name) throws java.io.IOException {
@@ -3119,7 +3142,7 @@ public class Delete extends CloudNumberRegistryRequest<com.google.api.services.c
            * Delete#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the IpamAdminScope to delete.
            * @since 1.13
            */
           protected Delete(java.lang.String name) {
@@ -3187,17 +3210,17 @@ public Delete setUploadProtocol(java.lang.String uploadProtocol) {
             return (Delete) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to delete. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the IpamAdminScope to delete.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to delete. */
           public Delete setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -3280,7 +3303,7 @@ public Delete set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Disable#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the IpamAdminScope to disable.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.DisableIpamAdminScopeRequest}
          * @return the request
          */
@@ -3308,7 +3331,7 @@ public class Disable extends CloudNumberRegistryRequest<com.google.api.services.
            * Disable#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the IpamAdminScope to disable.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.DisableIpamAdminScopeRequest}
            * @since 1.13
            */
@@ -3377,17 +3400,17 @@ public Disable setUploadProtocol(java.lang.String uploadProtocol) {
             return (Disable) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to disable. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the IpamAdminScope to disable.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to disable. */
           public Disable setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -3411,7 +3434,7 @@ public Disable set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Get#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the IpamAdminScope to retrieve.
          * @return the request
          */
         public Get get(java.lang.String name) throws java.io.IOException {
@@ -3438,7 +3461,7 @@ public class Get extends CloudNumberRegistryRequest<com.google.api.services.clou
            * Get#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the IpamAdminScope to retrieve.
            * @since 1.13
            */
           protected Get(java.lang.String name) {
@@ -3516,17 +3539,17 @@ public Get setUploadProtocol(java.lang.String uploadProtocol) {
             return (Get) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the IpamAdminScope to retrieve.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the IpamAdminScope to retrieve. */
           public Get setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -3543,14 +3566,14 @@ public Get set(String parameterName, Object value) {
           }
         }
         /**
-         * List all IPAM admin scopes in a given project and location.
+         * Lists IpamAdminScopes in a given project and location.
          *
          * Create a request for the method "ipamAdminScopes.list".
          *
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link List#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Parent value for ListIpamAdminScopesRequest
+         * @param parent Required. The parent resource name, for example `projects/locations`.
          * @return the request
          */
         public List list(java.lang.String parent) throws java.io.IOException {
@@ -3567,7 +3590,7 @@ public class List extends CloudNumberRegistryRequest<com.google.api.services.clo
               java.util.regex.Pattern.compile("^projects/[^/]+/locations/[^/]+$");
 
           /**
-           * List all IPAM admin scopes in a given project and location.
+           * Lists IpamAdminScopes in a given project and location.
            *
            * Create a request for the method "ipamAdminScopes.list".
            *
@@ -3577,7 +3600,7 @@ public class List extends CloudNumberRegistryRequest<com.google.api.services.clo
            * List#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Parent value for ListIpamAdminScopesRequest
+           * @param parent Required. The parent resource name, for example `projects/locations`.
            * @since 1.13
            */
           protected List(java.lang.String parent) {
@@ -3655,17 +3678,17 @@ public List setUploadProtocol(java.lang.String uploadProtocol) {
             return (List) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Parent value for ListIpamAdminScopesRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Parent value for ListIpamAdminScopesRequest
+          /** Required. The parent resource name, for example `projects/locations`.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Parent value for ListIpamAdminScopesRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           public List setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -3676,33 +3699,33 @@ public List setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Optional. Filtering results */
+          /** Optional. Filter expression to filter the results. */
           @com.google.api.client.util.Key
           private java.lang.String filter;
 
-          /** Optional. Filtering results
+          /** Optional. Filter expression to filter the results.
            */
           public java.lang.String getFilter() {
             return filter;
           }
 
-          /** Optional. Filtering results */
+          /** Optional. Filter expression to filter the results. */
           public List setFilter(java.lang.String filter) {
             this.filter = filter;
             return this;
           }
 
-          /** Optional. Hint for how to order the results */
+          /** Optional. Hint for how to order the results. */
           @com.google.api.client.util.Key
           private java.lang.String orderBy;
 
-          /** Optional. Hint for how to order the results
+          /** Optional. Hint for how to order the results.
            */
           public java.lang.String getOrderBy() {
             return orderBy;
           }
 
-          /** Optional. Hint for how to order the results */
+          /** Optional. Hint for how to order the results. */
           public List setOrderBy(java.lang.String orderBy) {
             this.orderBy = orderBy;
             return this;
@@ -3760,7 +3783,7 @@ public List set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Patch#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Identifier. name of resource
+         * @param name Required. Identifier. The resource name of the IpamAdminScope.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.IpamAdminScope}
          * @return the request
          */
@@ -3788,7 +3811,7 @@ public class Patch extends CloudNumberRegistryRequest<com.google.api.services.cl
            * Patch#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Identifier. name of resource
+           * @param name Required. Identifier. The resource name of the IpamAdminScope.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.IpamAdminScope}
            * @since 1.13
            */
@@ -3857,17 +3880,17 @@ public Patch setUploadProtocol(java.lang.String uploadProtocol) {
             return (Patch) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Identifier. name of resource */
+          /** Required. Identifier. The resource name of the IpamAdminScope. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Identifier. name of resource
+          /** Required. Identifier. The resource name of the IpamAdminScope.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Identifier. name of resource */
+          /** Required. Identifier. The resource name of the IpamAdminScope. */
           public Patch setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -4648,7 +4671,7 @@ public class Realms {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Create#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Value for parent.
+         * @param parent Required. The parent resource name where the Realm will be created.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.Realm}
          * @return the request
          */
@@ -4676,7 +4699,7 @@ public class Create extends CloudNumberRegistryRequest<com.google.api.services.c
            * Create#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Value for parent.
+           * @param parent Required. The parent resource name where the Realm will be created.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.Realm}
            * @since 1.13
            */
@@ -4745,17 +4768,17 @@ public Create setUploadProtocol(java.lang.String uploadProtocol) {
             return (Create) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the Realm will be created. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Value for parent.
+          /** Required. The parent resource name where the Realm will be created.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the Realm will be created. */
           public Create setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -4766,17 +4789,23 @@ public Create setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the Realm, which will become the final segment of the
+           * resource name.
+           */
           @com.google.api.client.util.Key
           private java.lang.String realmId;
 
-          /** Required. Id of the requesting object.
+          /** Required. The ID to use for the Realm, which will become the final segment of the resource name.
            */
           public java.lang.String getRealmId() {
             return realmId;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the Realm, which will become the final segment of the
+           * resource name.
+           */
           public Create setRealmId(java.lang.String realmId) {
             this.realmId = realmId;
             return this;
@@ -4823,7 +4852,7 @@ public Create set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Delete#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the Realm to delete.
          * @return the request
          */
         public Delete delete(java.lang.String name) throws java.io.IOException {
@@ -4850,7 +4879,7 @@ public class Delete extends CloudNumberRegistryRequest<com.google.api.services.c
            * Delete#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the Realm to delete.
            * @since 1.13
            */
           protected Delete(java.lang.String name) {
@@ -4918,17 +4947,17 @@ public Delete setUploadProtocol(java.lang.String uploadProtocol) {
             return (Delete) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the Realm to delete. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the Realm to delete.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the Realm to delete. */
           public Delete setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -4996,7 +5025,7 @@ public Delete set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Get#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the Realm to retrieve.
          * @return the request
          */
         public Get get(java.lang.String name) throws java.io.IOException {
@@ -5023,7 +5052,7 @@ public class Get extends CloudNumberRegistryRequest<com.google.api.services.clou
            * Get#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the Realm to retrieve.
            * @since 1.13
            */
           protected Get(java.lang.String name) {
@@ -5101,17 +5130,17 @@ public Get setUploadProtocol(java.lang.String uploadProtocol) {
             return (Get) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the Realm to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the Realm to retrieve.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the Realm to retrieve. */
           public Get setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -5122,17 +5151,17 @@ public Get setName(java.lang.String name) {
             return this;
           }
 
-          /** Optional. The view of the Realm. */
+          /** Optional. The view of the Realm to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String view;
 
-          /** Optional. The view of the Realm.
+          /** Optional. The view of the Realm to retrieve.
            */
           public java.lang.String getView() {
             return view;
           }
 
-          /** Optional. The view of the Realm. */
+          /** Optional. The view of the Realm to retrieve. */
           public Get setView(java.lang.String view) {
             this.view = view;
             return this;
@@ -5151,7 +5180,7 @@ public Get set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link List#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Parent value for ListRealmsRequest
+         * @param parent Required. The parent resource name, for example `projects/locations`.
          * @return the request
          */
         public List list(java.lang.String parent) throws java.io.IOException {
@@ -5178,7 +5207,7 @@ public class List extends CloudNumberRegistryRequest<com.google.api.services.clo
            * List#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Parent value for ListRealmsRequest
+           * @param parent Required. The parent resource name, for example `projects/locations`.
            * @since 1.13
            */
           protected List(java.lang.String parent) {
@@ -5256,17 +5285,17 @@ public List setUploadProtocol(java.lang.String uploadProtocol) {
             return (List) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Parent value for ListRealmsRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Parent value for ListRealmsRequest
+          /** Required. The parent resource name, for example `projects/locations`.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Parent value for ListRealmsRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           public List setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -5277,33 +5306,33 @@ public List setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Optional. Filtering results */
+          /** Optional. Filter expression to filter the results. */
           @com.google.api.client.util.Key
           private java.lang.String filter;
 
-          /** Optional. Filtering results
+          /** Optional. Filter expression to filter the results.
            */
           public java.lang.String getFilter() {
             return filter;
           }
 
-          /** Optional. Filtering results */
+          /** Optional. Filter expression to filter the results. */
           public List setFilter(java.lang.String filter) {
             this.filter = filter;
             return this;
           }
 
-          /** Optional. Hint for how to order the results */
+          /** Optional. Hint for how to order the results. */
           @com.google.api.client.util.Key
           private java.lang.String orderBy;
 
-          /** Optional. Hint for how to order the results
+          /** Optional. Hint for how to order the results.
            */
           public java.lang.String getOrderBy() {
             return orderBy;
           }
 
-          /** Optional. Hint for how to order the results */
+          /** Optional. Hint for how to order the results. */
           public List setOrderBy(java.lang.String orderBy) {
             this.orderBy = orderBy;
             return this;
@@ -5348,17 +5377,17 @@ public List setPageToken(java.lang.String pageToken) {
             return this;
           }
 
-          /** Optional. The view of the Realm. */
+          /** Optional. The view of the Realm to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String view;
 
-          /** Optional. The view of the Realm.
+          /** Optional. The view of the Realm to retrieve.
            */
           public java.lang.String getView() {
             return view;
           }
 
-          /** Optional. The view of the Realm. */
+          /** Optional. The view of the Realm to retrieve. */
           public List setView(java.lang.String view) {
             this.view = view;
             return this;
@@ -5377,7 +5406,7 @@ public List set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Patch#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Identifier. Unique name/ID of the realm
+         * @param name Required. Identifier. The resource name of the Realm.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.Realm}
          * @return the request
          */
@@ -5405,7 +5434,7 @@ public class Patch extends CloudNumberRegistryRequest<com.google.api.services.cl
            * Patch#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Identifier. Unique name/ID of the realm
+           * @param name Required. Identifier. The resource name of the Realm.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.Realm}
            * @since 1.13
            */
@@ -5474,17 +5503,17 @@ public Patch setUploadProtocol(java.lang.String uploadProtocol) {
             return (Patch) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Identifier. Unique name/ID of the realm */
+          /** Required. Identifier. The resource name of the Realm. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Identifier. Unique name/ID of the realm
+          /** Required. Identifier. The resource name of the Realm.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Identifier. Unique name/ID of the realm */
+          /** Required. Identifier. The resource name of the Realm. */
           public Patch setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -5581,7 +5610,7 @@ public class RegistryBooks {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Create#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Value for parent.
+         * @param parent Required. The parent resource name where the RegistryBook will be created.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.RegistryBook}
          * @return the request
          */
@@ -5609,7 +5638,7 @@ public class Create extends CloudNumberRegistryRequest<com.google.api.services.c
            * Create#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Value for parent.
+           * @param parent Required. The parent resource name where the RegistryBook will be created.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.RegistryBook}
            * @since 1.13
            */
@@ -5678,17 +5707,17 @@ public Create setUploadProtocol(java.lang.String uploadProtocol) {
             return (Create) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the RegistryBook will be created. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Value for parent.
+          /** Required. The parent resource name where the RegistryBook will be created.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Value for parent. */
+          /** Required. The parent resource name where the RegistryBook will be created. */
           public Create setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -5699,17 +5728,24 @@ public Create setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the RegistryBook, which will become the final segment of
+           * the resource name.
+           */
           @com.google.api.client.util.Key
           private java.lang.String registryBookId;
 
-          /** Required. Id of the requesting object.
+          /** Required. The ID to use for the RegistryBook, which will become the final segment of the resource
+         name.
            */
           public java.lang.String getRegistryBookId() {
             return registryBookId;
           }
 
-          /** Required. Id of the requesting object. */
+          /**
+           * Required. The ID to use for the RegistryBook, which will become the final segment of
+           * the resource name.
+           */
           public Create setRegistryBookId(java.lang.String registryBookId) {
             this.registryBookId = registryBookId;
             return this;
@@ -5771,7 +5807,7 @@ public Create set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Delete#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the RegistryBook to delete.
          * @return the request
          */
         public Delete delete(java.lang.String name) throws java.io.IOException {
@@ -5798,7 +5834,7 @@ public class Delete extends CloudNumberRegistryRequest<com.google.api.services.c
            * Delete#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the RegistryBook to delete.
            * @since 1.13
            */
           protected Delete(java.lang.String name) {
@@ -5866,17 +5902,17 @@ public Delete setUploadProtocol(java.lang.String uploadProtocol) {
             return (Delete) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the RegistryBook to delete. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the RegistryBook to delete.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the RegistryBook to delete. */
           public Delete setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -5959,7 +5995,7 @@ public Delete set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Get#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Name of the resource
+         * @param name Required. The resource name of the RegistryBook to retrieve.
          * @return the request
          */
         public Get get(java.lang.String name) throws java.io.IOException {
@@ -5986,7 +6022,7 @@ public class Get extends CloudNumberRegistryRequest<com.google.api.services.clou
            * Get#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Name of the resource
+           * @param name Required. The resource name of the RegistryBook to retrieve.
            * @since 1.13
            */
           protected Get(java.lang.String name) {
@@ -6064,17 +6100,17 @@ public Get setUploadProtocol(java.lang.String uploadProtocol) {
             return (Get) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the RegistryBook to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Name of the resource
+          /** Required. The resource name of the RegistryBook to retrieve.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Name of the resource */
+          /** Required. The resource name of the RegistryBook to retrieve. */
           public Get setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -6085,17 +6121,17 @@ public Get setName(java.lang.String name) {
             return this;
           }
 
-          /** Optional. The view of the RegistryBook. */
+          /** Optional. The view of the RegistryBook to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String view;
 
-          /** Optional. The view of the RegistryBook.
+          /** Optional. The view of the RegistryBook to retrieve.
            */
           public java.lang.String getView() {
             return view;
           }
 
-          /** Optional. The view of the RegistryBook. */
+          /** Optional. The view of the RegistryBook to retrieve. */
           public Get setView(java.lang.String view) {
             this.view = view;
             return this;
@@ -6114,7 +6150,7 @@ public Get set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link List#execute()} method to invoke the remote operation.
          *
-         * @param parent Required. Parent value for ListRegistryBooksRequest
+         * @param parent Required. The parent resource name, for example `projects/locations`.
          * @return the request
          */
         public List list(java.lang.String parent) throws java.io.IOException {
@@ -6141,7 +6177,7 @@ public class List extends CloudNumberRegistryRequest<com.google.api.services.clo
            * List#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must be
            * called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param parent Required. Parent value for ListRegistryBooksRequest
+           * @param parent Required. The parent resource name, for example `projects/locations`.
            * @since 1.13
            */
           protected List(java.lang.String parent) {
@@ -6219,17 +6255,17 @@ public List setUploadProtocol(java.lang.String uploadProtocol) {
             return (List) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Parent value for ListRegistryBooksRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           @com.google.api.client.util.Key
           private java.lang.String parent;
 
-          /** Required. Parent value for ListRegistryBooksRequest
+          /** Required. The parent resource name, for example `projects/locations`.
            */
           public java.lang.String getParent() {
             return parent;
           }
 
-          /** Required. Parent value for ListRegistryBooksRequest */
+          /** Required. The parent resource name, for example `projects/locations`. */
           public List setParent(java.lang.String parent) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(PARENT_PATTERN.matcher(parent).matches(),
@@ -6240,33 +6276,33 @@ public List setParent(java.lang.String parent) {
             return this;
           }
 
-          /** Optional. Filtering results */
+          /** Optional. Filter expression to filter the results. */
           @com.google.api.client.util.Key
           private java.lang.String filter;
 
-          /** Optional. Filtering results
+          /** Optional. Filter expression to filter the results.
            */
           public java.lang.String getFilter() {
             return filter;
           }
 
-          /** Optional. Filtering results */
+          /** Optional. Filter expression to filter the results. */
           public List setFilter(java.lang.String filter) {
             this.filter = filter;
             return this;
           }
 
-          /** Optional. Hint for how to order the results */
+          /** Optional. Hint for how to order the results. */
           @com.google.api.client.util.Key
           private java.lang.String orderBy;
 
-          /** Optional. Hint for how to order the results
+          /** Optional. Hint for how to order the results.
            */
           public java.lang.String getOrderBy() {
             return orderBy;
           }
 
-          /** Optional. Hint for how to order the results */
+          /** Optional. Hint for how to order the results. */
           public List setOrderBy(java.lang.String orderBy) {
             this.orderBy = orderBy;
             return this;
@@ -6311,17 +6347,17 @@ public List setPageToken(java.lang.String pageToken) {
             return this;
           }
 
-          /** Optional. The view of the RegistryBook. */
+          /** Optional. The view of the RegistryBook to retrieve. */
           @com.google.api.client.util.Key
           private java.lang.String view;
 
-          /** Optional. The view of the RegistryBook.
+          /** Optional. The view of the RegistryBook to retrieve.
            */
           public java.lang.String getView() {
             return view;
           }
 
-          /** Optional. The view of the RegistryBook. */
+          /** Optional. The view of the RegistryBook to retrieve. */
           public List setView(java.lang.String view) {
             this.view = view;
             return this;
@@ -6340,7 +6376,7 @@ public List set(String parameterName, Object value) {
          * This request holds the parameters needed by the cloudnumberregistry server.  After setting any
          * optional parameters, call the {@link Patch#execute()} method to invoke the remote operation.
          *
-         * @param name Required. Identifier. name of resource
+         * @param name Required. Identifier. The resource name of the RegistryBook.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.RegistryBook}
          * @return the request
          */
@@ -6368,7 +6404,7 @@ public class Patch extends CloudNumberRegistryRequest<com.google.api.services.cl
            * Patch#initialize(com.google.api.client.googleapis.services.AbstractGoogleClientRequest)} must
            * be called to initialize this instance immediately after invoking the constructor. </p>
            *
-           * @param name Required. Identifier. name of resource
+           * @param name Required. Identifier. The resource name of the RegistryBook.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.RegistryBook}
            * @since 1.13
            */
@@ -6437,17 +6473,17 @@ public Patch setUploadProtocol(java.lang.String uploadProtocol) {
             return (Patch) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. Identifier. name of resource */
+          /** Required. Identifier. The resource name of the RegistryBook. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. Identifier. name of resource
+          /** Required. Identifier. The resource name of the RegistryBook.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. Identifier. name of resource */
+          /** Required. Identifier. The resource name of the RegistryBook. */
           public Patch setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
@@ -6544,7 +6580,7 @@ public Patch set(String parameterName, Object value) {
          * optional parameters, call the {@link SearchIpResources#execute()} method to invoke the remote
          * operation.
          *
-         * @param name Required. The name of the RegistryBook to search in.
+         * @param name Required. The resource name of the RegistryBook to search in.
          * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.SearchIpResourcesRequest}
          * @return the request
          */
@@ -6572,7 +6608,7 @@ public class SearchIpResources extends CloudNumberRegistryRequest<com.google.api
            * ices.AbstractGoogleClientRequest)} must be called to initialize this instance immediately after
            * invoking the constructor. </p>
            *
-           * @param name Required. The name of the RegistryBook to search in.
+           * @param name Required. The resource name of the RegistryBook to search in.
            * @param content the {@link com.google.api.services.cloudnumberregistry.v1alpha.model.SearchIpResourcesRequest}
            * @since 1.13
            */
@@ -6641,17 +6677,17 @@ public SearchIpResources setUploadProtocol(java.lang.String uploadProtocol) {
             return (SearchIpResources) super.setUploadProtocol(uploadProtocol);
           }
 
-          /** Required. The name of the RegistryBook to search in. */
+          /** Required. The resource name of the RegistryBook to search in. */
           @com.google.api.client.util.Key
           private java.lang.String name;
 
-          /** Required. The name of the RegistryBook to search in.
+          /** Required. The resource name of the RegistryBook to search in.
            */
           public java.lang.String getName() {
             return name;
           }
 
-          /** Required. The name of the RegistryBook to search in. */
+          /** Required. The resource name of the RegistryBook to search in. */
           public SearchIpResources setName(java.lang.String name) {
             if (!getSuppressPatternChecks()) {
               com.google.api.client.util.Preconditions.checkArgument(NAME_PATTERN.matcher(name).matches(),
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/AggregatedData.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/AggregatedData.java
index dfeb513c575..82f0f2de911 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/AggregatedData.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/AggregatedData.java
@@ -31,28 +31,28 @@
 public final class AggregatedData extends com.google.api.client.json.GenericJson {
 
   /**
-   * Output only. Number of custom ranges in the RegistryBook.
+   * Output only. Number of CustomRanges in the RegistryBook.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.Integer customRangesCount;
 
   /**
-   * Output only. Number of custom realms in the RegistryBook.
+   * Output only. Number of custom Realms in the RegistryBook.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.Integer customRealmsCount;
 
   /**
-   * Output only. Number of discovered ranges in the RegistryBook.
+   * Output only. Number of DiscoveredRanges in the RegistryBook.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.Integer discoveredRangesCount;
 
   /**
-   * Output only. Number of discovered realms in the RegistryBook.
+   * Output only. Number of discovered Realms in the RegistryBook.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -66,7 +66,7 @@ public final class AggregatedData extends com.google.api.client.json.GenericJson
   private java.lang.Integer uniqueScopesCount;
 
   /**
-   * Output only. Number of custom ranges in the RegistryBook.
+   * Output only. Number of CustomRanges in the RegistryBook.
    * @return value or {@code null} for none
    */
   public java.lang.Integer getCustomRangesCount() {
@@ -74,7 +74,7 @@ public java.lang.Integer getCustomRangesCount() {
   }
 
   /**
-   * Output only. Number of custom ranges in the RegistryBook.
+   * Output only. Number of CustomRanges in the RegistryBook.
    * @param customRangesCount customRangesCount or {@code null} for none
    */
   public AggregatedData setCustomRangesCount(java.lang.Integer customRangesCount) {
@@ -83,7 +83,7 @@ public AggregatedData setCustomRangesCount(java.lang.Integer customRangesCount)
   }
 
   /**
-   * Output only. Number of custom realms in the RegistryBook.
+   * Output only. Number of custom Realms in the RegistryBook.
    * @return value or {@code null} for none
    */
   public java.lang.Integer getCustomRealmsCount() {
@@ -91,7 +91,7 @@ public java.lang.Integer getCustomRealmsCount() {
   }
 
   /**
-   * Output only. Number of custom realms in the RegistryBook.
+   * Output only. Number of custom Realms in the RegistryBook.
    * @param customRealmsCount customRealmsCount or {@code null} for none
    */
   public AggregatedData setCustomRealmsCount(java.lang.Integer customRealmsCount) {
@@ -100,7 +100,7 @@ public AggregatedData setCustomRealmsCount(java.lang.Integer customRealmsCount)
   }
 
   /**
-   * Output only. Number of discovered ranges in the RegistryBook.
+   * Output only. Number of DiscoveredRanges in the RegistryBook.
    * @return value or {@code null} for none
    */
   public java.lang.Integer getDiscoveredRangesCount() {
@@ -108,7 +108,7 @@ public java.lang.Integer getDiscoveredRangesCount() {
   }
 
   /**
-   * Output only. Number of discovered ranges in the RegistryBook.
+   * Output only. Number of DiscoveredRanges in the RegistryBook.
    * @param discoveredRangesCount discoveredRangesCount or {@code null} for none
    */
   public AggregatedData setDiscoveredRangesCount(java.lang.Integer discoveredRangesCount) {
@@ -117,7 +117,7 @@ public AggregatedData setDiscoveredRangesCount(java.lang.Integer discoveredRange
   }
 
   /**
-   * Output only. Number of discovered realms in the RegistryBook.
+   * Output only. Number of discovered Realms in the RegistryBook.
    * @return value or {@code null} for none
    */
   public java.lang.Integer getDiscoveredRealmsCount() {
@@ -125,7 +125,7 @@ public java.lang.Integer getDiscoveredRealmsCount() {
   }
 
   /**
-   * Output only. Number of discovered realms in the RegistryBook.
+   * Output only. Number of discovered Realms in the RegistryBook.
    * @param discoveredRealmsCount discoveredRealmsCount or {@code null} for none
    */
   public AggregatedData setDiscoveredRealmsCount(java.lang.Integer discoveredRealmsCount) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java
index a27b4260177..708dc292cbc 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Attribute.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message describing Attribute object
+ * A key-value pair representing a custom attribute associated with a resource.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,21 +31,21 @@
 public final class Attribute extends com.google.api.client.json.GenericJson {
 
   /**
-   * Required. Key of attribute
+   * Required. The key of the attribute.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String key;
 
   /**
-   * Required. Value of attribute
+   * Required. The value of the attribute.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String value;
 
   /**
-   * Required. Key of attribute
+   * Required. The key of the attribute.
    * @return value or {@code null} for none
    */
   public java.lang.String getKey() {
@@ -53,7 +53,7 @@ public java.lang.String getKey() {
   }
 
   /**
-   * Required. Key of attribute
+   * Required. The key of the attribute.
    * @param key key or {@code null} for none
    */
   public Attribute setKey(java.lang.String key) {
@@ -62,7 +62,7 @@ public Attribute setKey(java.lang.String key) {
   }
 
   /**
-   * Required. Value of attribute
+   * Required. The value of the attribute.
    * @return value or {@code null} for none
    */
   public java.lang.String getValue() {
@@ -70,7 +70,7 @@ public java.lang.String getValue() {
   }
 
   /**
-   * Required. Value of attribute
+   * Required. The value of the attribute.
    * @param value value or {@code null} for none
    */
   public Attribute setValue(java.lang.String value) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CheckAvailabilityIpamAdminScopesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CheckAvailabilityIpamAdminScopesResponse.java
index 9d1f1fd2b5e..2a6b0f7581b 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CheckAvailabilityIpamAdminScopesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CheckAvailabilityIpamAdminScopesResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for response to checking the availability of IpamAdminScopes
+ * Response message for the CloudNumberRegistry.CheckAvailabilityIpamAdminScopes method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CleanupIpamAdminScopeRequest.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CleanupIpamAdminScopeRequest.java
index d74db94e159..5eb69ffb979 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CleanupIpamAdminScopeRequest.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CleanupIpamAdminScopeRequest.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for cleaning up a IpamAdminScope
+ * Request message for the CloudNumberRegistry.CleanupIpamAdminScope method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java
index 87a84a49e8d..414e545c1b2 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/CustomRange.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message describing CustomRange object
+ * A CustomRange represents a user-defined IP address range.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -44,7 +44,7 @@ public final class CustomRange extends com.google.api.client.json.GenericJson {
   }
 
   /**
-   * Optional. Description of the CustomRange.
+   * Optional. The description of the CustomRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -65,41 +65,43 @@ public final class CustomRange extends com.google.api.client.json.GenericJson {
   private java.lang.String ipv6CidrRange;
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.Map<String, java.lang.String> labels;
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the CustomRange, in the format
+   * `projects/{project}/locations/{location}/customRanges/{custom_range}`.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String name;
 
   /**
-   * Optional. The parent range of the CustomRange. Do not allow setting parent range if realm is
-   * specified. Format must follow this pattern:
-   * projects/{project}/locations/{location}/customRanges/{custom_range}
+   * Optional. The resource name of the parent CustomRange, in the format
+   * `projects/{project}/locations/{location}/customRanges/{custom_range}`. If specified, the parent
+   * CustomRange must be in the same RegistryBook. This field is mutually exclusive with the `realm`
+   * field, as the Realm is inherited from the parent CustomRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String parentRange;
 
   /**
-   * Optional. The realm of the CustomRange. The realm must be in the same project as the custom
-   * range. Do not allow setting realm if parent range is specified, since the realm should be
-   * inherited from the parent range. Format must follow this pattern:
-   * projects/{project}/locations/{location}/realms/{realm}
+   * Optional. The resource name of the Realm associated with the CustomRange, in the format
+   * `projects/{project}/locations/{location}/realms/{realm}`. The Realm must be in the same project
+   * as the CustomRange. This field must not be set if the `parent_range` field is set, as the Realm
+   * will be inherited from the parent CustomRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String realm;
 
   /**
-   * Output only. The registry book of the CustomRange. This field is inherited from the realm or
-   * parent range depending on which one is specified.
+   * Output only. The RegistryBook of the CustomRange. This field is inherited from the Realm or
+   * parent CustomRange depending on which one is specified.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -123,7 +125,7 @@ public CustomRange setAttributes(java.util.List<Attribute> attributes) {
   }
 
   /**
-   * Optional. Description of the CustomRange.
+   * Optional. The description of the CustomRange.
    * @return value or {@code null} for none
    */
   public java.lang.String getDescription() {
@@ -131,7 +133,7 @@ public java.lang.String getDescription() {
   }
 
   /**
-   * Optional. Description of the CustomRange.
+   * Optional. The description of the CustomRange.
    * @param description description or {@code null} for none
    */
   public CustomRange setDescription(java.lang.String description) {
@@ -174,7 +176,7 @@ public CustomRange setIpv6CidrRange(java.lang.String ipv6CidrRange) {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @return value or {@code null} for none
    */
   public java.util.Map<String, java.lang.String> getLabels() {
@@ -182,7 +184,7 @@ public java.util.Map<String, java.lang.String> getLabels() {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @param labels labels or {@code null} for none
    */
   public CustomRange setLabels(java.util.Map<String, java.lang.String> labels) {
@@ -191,7 +193,8 @@ public CustomRange setLabels(java.util.Map<String, java.lang.String> labels) {
   }
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the CustomRange, in the format
+   * `projects/{project}/locations/{location}/customRanges/{custom_range}`.
    * @return value or {@code null} for none
    */
   public java.lang.String getName() {
@@ -199,7 +202,8 @@ public java.lang.String getName() {
   }
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the CustomRange, in the format
+   * `projects/{project}/locations/{location}/customRanges/{custom_range}`.
    * @param name name or {@code null} for none
    */
   public CustomRange setName(java.lang.String name) {
@@ -208,9 +212,10 @@ public CustomRange setName(java.lang.String name) {
   }
 
   /**
-   * Optional. The parent range of the CustomRange. Do not allow setting parent range if realm is
-   * specified. Format must follow this pattern:
-   * projects/{project}/locations/{location}/customRanges/{custom_range}
+   * Optional. The resource name of the parent CustomRange, in the format
+   * `projects/{project}/locations/{location}/customRanges/{custom_range}`. If specified, the parent
+   * CustomRange must be in the same RegistryBook. This field is mutually exclusive with the `realm`
+   * field, as the Realm is inherited from the parent CustomRange.
    * @return value or {@code null} for none
    */
   public java.lang.String getParentRange() {
@@ -218,9 +223,10 @@ public java.lang.String getParentRange() {
   }
 
   /**
-   * Optional. The parent range of the CustomRange. Do not allow setting parent range if realm is
-   * specified. Format must follow this pattern:
-   * projects/{project}/locations/{location}/customRanges/{custom_range}
+   * Optional. The resource name of the parent CustomRange, in the format
+   * `projects/{project}/locations/{location}/customRanges/{custom_range}`. If specified, the parent
+   * CustomRange must be in the same RegistryBook. This field is mutually exclusive with the `realm`
+   * field, as the Realm is inherited from the parent CustomRange.
    * @param parentRange parentRange or {@code null} for none
    */
   public CustomRange setParentRange(java.lang.String parentRange) {
@@ -229,10 +235,10 @@ public CustomRange setParentRange(java.lang.String parentRange) {
   }
 
   /**
-   * Optional. The realm of the CustomRange. The realm must be in the same project as the custom
-   * range. Do not allow setting realm if parent range is specified, since the realm should be
-   * inherited from the parent range. Format must follow this pattern:
-   * projects/{project}/locations/{location}/realms/{realm}
+   * Optional. The resource name of the Realm associated with the CustomRange, in the format
+   * `projects/{project}/locations/{location}/realms/{realm}`. The Realm must be in the same project
+   * as the CustomRange. This field must not be set if the `parent_range` field is set, as the Realm
+   * will be inherited from the parent CustomRange.
    * @return value or {@code null} for none
    */
   public java.lang.String getRealm() {
@@ -240,10 +246,10 @@ public java.lang.String getRealm() {
   }
 
   /**
-   * Optional. The realm of the CustomRange. The realm must be in the same project as the custom
-   * range. Do not allow setting realm if parent range is specified, since the realm should be
-   * inherited from the parent range. Format must follow this pattern:
-   * projects/{project}/locations/{location}/realms/{realm}
+   * Optional. The resource name of the Realm associated with the CustomRange, in the format
+   * `projects/{project}/locations/{location}/realms/{realm}`. The Realm must be in the same project
+   * as the CustomRange. This field must not be set if the `parent_range` field is set, as the Realm
+   * will be inherited from the parent CustomRange.
    * @param realm realm or {@code null} for none
    */
   public CustomRange setRealm(java.lang.String realm) {
@@ -252,8 +258,8 @@ public CustomRange setRealm(java.lang.String realm) {
   }
 
   /**
-   * Output only. The registry book of the CustomRange. This field is inherited from the realm or
-   * parent range depending on which one is specified.
+   * Output only. The RegistryBook of the CustomRange. This field is inherited from the Realm or
+   * parent CustomRange depending on which one is specified.
    * @return value or {@code null} for none
    */
   public java.lang.String getRegistryBook() {
@@ -261,8 +267,8 @@ public java.lang.String getRegistryBook() {
   }
 
   /**
-   * Output only. The registry book of the CustomRange. This field is inherited from the realm or
-   * parent range depending on which one is specified.
+   * Output only. The RegistryBook of the CustomRange. This field is inherited from the Realm or
+   * parent CustomRange depending on which one is specified.
    * @param registryBook registryBook or {@code null} for none
    */
   public CustomRange setRegistryBook(java.lang.String registryBook) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DisableIpamAdminScopeRequest.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DisableIpamAdminScopeRequest.java
index dd637338530..2da9c6c9193 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DisableIpamAdminScopeRequest.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DisableIpamAdminScopeRequest.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for disabling a IpamAdminScope
+ * Request message for the CloudNumberRegistry.DisableIpamAdminScope method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveredRange.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveredRange.java
index 5d2de1b885c..1a1fb587122 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveredRange.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveredRange.java
@@ -17,7 +17,8 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message describing DiscoveredRange object
+ * A DiscoveredRange represents an IP address range automatically detected by the discovery
+ * pipeline.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -44,14 +45,15 @@ public final class DiscoveredRange extends com.google.api.client.json.GenericJso
   }
 
   /**
-   * Output only. If true, allow child ranges of this range to overlap with each other.
+   * Output only. If true, allows child DiscoveredRanges of this DiscoveredRange to overlap with
+   * each other.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.Boolean childCidrOverlapAllowed;
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the DiscoveredRange was created.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -90,42 +92,44 @@ public final class DiscoveredRange extends com.google.api.client.json.GenericJso
   private java.lang.String ipv6CidrRange;
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.Map<String, java.lang.String> labels;
 
   /**
-   * Required. Identifier. Name of the DiscoveredRange.
+   * Required. Identifier. The resource name of the DiscoveredRange, in the format
+   * `projects/{project}/locations/{location}/discoveredRanges/{discovered_range}`.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String name;
 
   /**
-   * Optional. The parent range of the DiscoveredRange.
+   * Optional. The resource name of the parent DiscoveredRange, in the format
+   * `projects/{project}/locations/{location}/discoveredRanges/{discovered_range}`.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String parentRange;
 
   /**
-   * Optional. The realm of the DiscoveredRange.
+   * Optional. The Realm of the DiscoveredRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String realm;
 
   /**
-   * Output only. The registry book of the DiscoveredRange.
+   * Output only. The RegistryBook of the DiscoveredRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String registryBook;
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the DiscoveredRange was last updated.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -149,7 +153,8 @@ public DiscoveredRange setAttributes(java.util.List<Attribute> attributes) {
   }
 
   /**
-   * Output only. If true, allow child ranges of this range to overlap with each other.
+   * Output only. If true, allows child DiscoveredRanges of this DiscoveredRange to overlap with
+   * each other.
    * @return value or {@code null} for none
    */
   public java.lang.Boolean getChildCidrOverlapAllowed() {
@@ -157,7 +162,8 @@ public java.lang.Boolean getChildCidrOverlapAllowed() {
   }
 
   /**
-   * Output only. If true, allow child ranges of this range to overlap with each other.
+   * Output only. If true, allows child DiscoveredRanges of this DiscoveredRange to overlap with
+   * each other.
    * @param childCidrOverlapAllowed childCidrOverlapAllowed or {@code null} for none
    */
   public DiscoveredRange setChildCidrOverlapAllowed(java.lang.Boolean childCidrOverlapAllowed) {
@@ -166,7 +172,7 @@ public DiscoveredRange setChildCidrOverlapAllowed(java.lang.Boolean childCidrOve
   }
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the DiscoveredRange was created.
    * @return value or {@code null} for none
    */
   public String getCreateTime() {
@@ -174,7 +180,7 @@ public String getCreateTime() {
   }
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the DiscoveredRange was created.
    * @param createTime createTime or {@code null} for none
    */
   public DiscoveredRange setCreateTime(String createTime) {
@@ -259,7 +265,7 @@ public DiscoveredRange setIpv6CidrRange(java.lang.String ipv6CidrRange) {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @return value or {@code null} for none
    */
   public java.util.Map<String, java.lang.String> getLabels() {
@@ -267,7 +273,7 @@ public java.util.Map<String, java.lang.String> getLabels() {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @param labels labels or {@code null} for none
    */
   public DiscoveredRange setLabels(java.util.Map<String, java.lang.String> labels) {
@@ -276,7 +282,8 @@ public DiscoveredRange setLabels(java.util.Map<String, java.lang.String> labels)
   }
 
   /**
-   * Required. Identifier. Name of the DiscoveredRange.
+   * Required. Identifier. The resource name of the DiscoveredRange, in the format
+   * `projects/{project}/locations/{location}/discoveredRanges/{discovered_range}`.
    * @return value or {@code null} for none
    */
   public java.lang.String getName() {
@@ -284,7 +291,8 @@ public java.lang.String getName() {
   }
 
   /**
-   * Required. Identifier. Name of the DiscoveredRange.
+   * Required. Identifier. The resource name of the DiscoveredRange, in the format
+   * `projects/{project}/locations/{location}/discoveredRanges/{discovered_range}`.
    * @param name name or {@code null} for none
    */
   public DiscoveredRange setName(java.lang.String name) {
@@ -293,7 +301,8 @@ public DiscoveredRange setName(java.lang.String name) {
   }
 
   /**
-   * Optional. The parent range of the DiscoveredRange.
+   * Optional. The resource name of the parent DiscoveredRange, in the format
+   * `projects/{project}/locations/{location}/discoveredRanges/{discovered_range}`.
    * @return value or {@code null} for none
    */
   public java.lang.String getParentRange() {
@@ -301,7 +310,8 @@ public java.lang.String getParentRange() {
   }
 
   /**
-   * Optional. The parent range of the DiscoveredRange.
+   * Optional. The resource name of the parent DiscoveredRange, in the format
+   * `projects/{project}/locations/{location}/discoveredRanges/{discovered_range}`.
    * @param parentRange parentRange or {@code null} for none
    */
   public DiscoveredRange setParentRange(java.lang.String parentRange) {
@@ -310,7 +320,7 @@ public DiscoveredRange setParentRange(java.lang.String parentRange) {
   }
 
   /**
-   * Optional. The realm of the DiscoveredRange.
+   * Optional. The Realm of the DiscoveredRange.
    * @return value or {@code null} for none
    */
   public java.lang.String getRealm() {
@@ -318,7 +328,7 @@ public java.lang.String getRealm() {
   }
 
   /**
-   * Optional. The realm of the DiscoveredRange.
+   * Optional. The Realm of the DiscoveredRange.
    * @param realm realm or {@code null} for none
    */
   public DiscoveredRange setRealm(java.lang.String realm) {
@@ -327,7 +337,7 @@ public DiscoveredRange setRealm(java.lang.String realm) {
   }
 
   /**
-   * Output only. The registry book of the DiscoveredRange.
+   * Output only. The RegistryBook of the DiscoveredRange.
    * @return value or {@code null} for none
    */
   public java.lang.String getRegistryBook() {
@@ -335,7 +345,7 @@ public java.lang.String getRegistryBook() {
   }
 
   /**
-   * Output only. The registry book of the DiscoveredRange.
+   * Output only. The RegistryBook of the DiscoveredRange.
    * @param registryBook registryBook or {@code null} for none
    */
   public DiscoveredRange setRegistryBook(java.lang.String registryBook) {
@@ -344,7 +354,7 @@ public DiscoveredRange setRegistryBook(java.lang.String registryBook) {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the DiscoveredRange was last updated.
    * @return value or {@code null} for none
    */
   public String getUpdateTime() {
@@ -352,7 +362,7 @@ public String getUpdateTime() {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the DiscoveredRange was last updated.
    * @param updateTime updateTime or {@code null} for none
    */
   public DiscoveredRange setUpdateTime(String updateTime) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveryMetadata.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveryMetadata.java
index c1011f62cb6..2446cc4ecb9 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveryMetadata.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/DiscoveryMetadata.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Discovery metadata of the discovered resource.
+ * Metadata about a discovered resource, tracking event times, state, and source information.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -69,7 +69,7 @@ public final class DiscoveryMetadata extends com.google.api.client.json.GenericJ
   /**
    * Output only. A single source resource can be the source of multiple CNR resources. This sub_id
    * is used to distinguish between the different CNR resources derived from the same upstream
-   * resource. For example, a single subnetwork can be the source of multiple ranges, one for each
+   * resource. For example, a single subnetwork can be the source of multiple Ranges, one for each
    * protocol. In this case, the sub_id could be "private-ipv4" or "private-ipv6".
    * The value may be {@code null}.
    */
@@ -180,7 +180,7 @@ public DiscoveryMetadata setSourceId(java.lang.String sourceId) {
   /**
    * Output only. A single source resource can be the source of multiple CNR resources. This sub_id
    * is used to distinguish between the different CNR resources derived from the same upstream
-   * resource. For example, a single subnetwork can be the source of multiple ranges, one for each
+   * resource. For example, a single subnetwork can be the source of multiple Ranges, one for each
    * protocol. In this case, the sub_id could be "private-ipv4" or "private-ipv6".
    * @return value or {@code null} for none
    */
@@ -191,7 +191,7 @@ public java.lang.String getSourceSubId() {
   /**
    * Output only. A single source resource can be the source of multiple CNR resources. This sub_id
    * is used to distinguish between the different CNR resources derived from the same upstream
-   * resource. For example, a single subnetwork can be the source of multiple ranges, one for each
+   * resource. For example, a single subnetwork can be the source of multiple Ranges, one for each
    * protocol. In this case, the sub_id could be "private-ipv4" or "private-ipv6".
    * @param sourceSubId sourceSubId or {@code null} for none
    */
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindCustomRangeFreeIpRangesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindCustomRangeFreeIpRangesResponse.java
index adcd25463ec..3bc55278f79 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindCustomRangeFreeIpRangesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindCustomRangeFreeIpRangesResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for the response to finding free IP ranges.
+ * Response message for the CloudNumberRegistry.FindCustomRangeFreeIpRanges method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,14 +31,14 @@
 public final class FindCustomRangeFreeIpRangesResponse extends com.google.api.client.json.GenericJson {
 
   /**
-   * Output only. Free IP CIDR ranges found in the CustomRange.
+   * Output only. The free IP CIDR ranges found.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.List<java.lang.String> freeIpCidrRanges;
 
   /**
-   * Output only. Free IP CIDR ranges found in the CustomRange.
+   * Output only. The free IP CIDR ranges found.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getFreeIpCidrRanges() {
@@ -46,7 +46,7 @@ public java.util.List<java.lang.String> getFreeIpCidrRanges() {
   }
 
   /**
-   * Output only. Free IP CIDR ranges found in the CustomRange.
+   * Output only. The free IP CIDR ranges found.
    * @param freeIpCidrRanges freeIpCidrRanges or {@code null} for none
    */
   public FindCustomRangeFreeIpRangesResponse setFreeIpCidrRanges(java.util.List<java.lang.String> freeIpCidrRanges) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindDiscoveredRangeFreeIpRangesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindDiscoveredRangeFreeIpRangesResponse.java
index b0b2c6cb5f0..b70212132e5 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindDiscoveredRangeFreeIpRangesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/FindDiscoveredRangeFreeIpRangesResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for the response to finding free IP ranges.
+ * Response message for the CloudNumberRegistry.FindDiscoveredRangeFreeIpRanges method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,14 +31,14 @@
 public final class FindDiscoveredRangeFreeIpRangesResponse extends com.google.api.client.json.GenericJson {
 
   /**
-   * Output only. Free IP CIDR ranges found in the DiscoveredRange.
+   * Output only. The free IP CIDR ranges found.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.List<java.lang.String> freeIpCidrRanges;
 
   /**
-   * Output only. Free IP CIDR ranges found in the DiscoveredRange.
+   * Output only. The free IP CIDR ranges found.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getFreeIpCidrRanges() {
@@ -46,7 +46,7 @@ public java.util.List<java.lang.String> getFreeIpCidrRanges() {
   }
 
   /**
-   * Output only. Free IP CIDR ranges found in the DiscoveredRange.
+   * Output only. The free IP CIDR ranges found.
    * @param freeIpCidrRanges freeIpCidrRanges or {@code null} for none
    */
   public FindDiscoveredRangeFreeIpRangesResponse setFreeIpCidrRanges(java.util.List<java.lang.String> freeIpCidrRanges) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScope.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScope.java
index ce1f5bedd85..d6535251ce4 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScope.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScope.java
@@ -17,7 +17,8 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message describing IpamAdminScope object
+ * An IpamAdminScope defines the administrative boundary for IP address discovery and management. It
+ * configures which platforms and organizational scopes are enabled for IP tracking.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,29 +32,29 @@
 public final class IpamAdminScope extends com.google.api.client.json.GenericJson {
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the IpamAdminScope was created.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private String createTime;
 
   /**
-   * Required. Addon platforms that are enabled for this IPAM admin scope. Cloud Number Registry
-   * only discovers the IP addresses from the enabled platforms.
+   * Required. Add-on platforms that are enabled for this IpamAdminScope. Cloud Number Registry only
+   * discovers the IP addresses from the enabled platforms.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.List<java.lang.String> enabledAddonPlatforms;
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.Map<String, java.lang.String> labels;
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the IpamAdminScope.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -76,14 +77,14 @@ public final class IpamAdminScope extends com.google.api.client.json.GenericJson
   private java.lang.String state;
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the IpamAdminScope was last updated.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private String updateTime;
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the IpamAdminScope was created.
    * @return value or {@code null} for none
    */
   public String getCreateTime() {
@@ -91,7 +92,7 @@ public String getCreateTime() {
   }
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the IpamAdminScope was created.
    * @param createTime createTime or {@code null} for none
    */
   public IpamAdminScope setCreateTime(String createTime) {
@@ -100,8 +101,8 @@ public IpamAdminScope setCreateTime(String createTime) {
   }
 
   /**
-   * Required. Addon platforms that are enabled for this IPAM admin scope. Cloud Number Registry
-   * only discovers the IP addresses from the enabled platforms.
+   * Required. Add-on platforms that are enabled for this IpamAdminScope. Cloud Number Registry only
+   * discovers the IP addresses from the enabled platforms.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getEnabledAddonPlatforms() {
@@ -109,8 +110,8 @@ public java.util.List<java.lang.String> getEnabledAddonPlatforms() {
   }
 
   /**
-   * Required. Addon platforms that are enabled for this IPAM admin scope. Cloud Number Registry
-   * only discovers the IP addresses from the enabled platforms.
+   * Required. Add-on platforms that are enabled for this IpamAdminScope. Cloud Number Registry only
+   * discovers the IP addresses from the enabled platforms.
    * @param enabledAddonPlatforms enabledAddonPlatforms or {@code null} for none
    */
   public IpamAdminScope setEnabledAddonPlatforms(java.util.List<java.lang.String> enabledAddonPlatforms) {
@@ -119,7 +120,7 @@ public IpamAdminScope setEnabledAddonPlatforms(java.util.List<java.lang.String>
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @return value or {@code null} for none
    */
   public java.util.Map<String, java.lang.String> getLabels() {
@@ -127,7 +128,7 @@ public java.util.Map<String, java.lang.String> getLabels() {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @param labels labels or {@code null} for none
    */
   public IpamAdminScope setLabels(java.util.Map<String, java.lang.String> labels) {
@@ -136,7 +137,7 @@ public IpamAdminScope setLabels(java.util.Map<String, java.lang.String> labels)
   }
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the IpamAdminScope.
    * @return value or {@code null} for none
    */
   public java.lang.String getName() {
@@ -144,7 +145,7 @@ public java.lang.String getName() {
   }
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the IpamAdminScope.
    * @param name name or {@code null} for none
    */
   public IpamAdminScope setName(java.lang.String name) {
@@ -191,7 +192,7 @@ public IpamAdminScope setState(java.lang.String state) {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the IpamAdminScope was last updated.
    * @return value or {@code null} for none
    */
   public String getUpdateTime() {
@@ -199,7 +200,7 @@ public String getUpdateTime() {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the IpamAdminScope was last updated.
    * @param updateTime updateTime or {@code null} for none
    */
   public IpamAdminScope setUpdateTime(String updateTime) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScopeAvailability.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScopeAvailability.java
index 5233c7e5897..a7d00ade5c8 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScopeAvailability.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/IpamAdminScopeAvailability.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for the availability of an IpamAdminScope
+ * Availability details for a specific IpamAdminScope.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java
index 198ac56e7db..3e6483cbe6c 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListCustomRangesResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for response to listing CustomRanges
+ * Response message for the CloudNumberRegistry.ListCustomRanges method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,7 +31,7 @@
 public final class ListCustomRangesResponse extends com.google.api.client.json.GenericJson {
 
   /**
-   * The list of CustomRange
+   * The list of CustomRanges.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -44,7 +44,8 @@ public final class ListCustomRangesResponse extends com.google.api.client.json.G
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -58,7 +59,7 @@ public final class ListCustomRangesResponse extends com.google.api.client.json.G
   private java.util.List<java.lang.String> unreachable;
 
   /**
-   * The list of CustomRange
+   * The list of CustomRanges.
    * @return value or {@code null} for none
    */
   public java.util.List<CustomRange> getCustomRanges() {
@@ -66,7 +67,7 @@ public java.util.List<CustomRange> getCustomRanges() {
   }
 
   /**
-   * The list of CustomRange
+   * The list of CustomRanges.
    * @param customRanges customRanges or {@code null} for none
    */
   public ListCustomRangesResponse setCustomRanges(java.util.List<CustomRange> customRanges) {
@@ -75,7 +76,8 @@ public ListCustomRangesResponse setCustomRanges(java.util.List<CustomRange> cust
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * @return value or {@code null} for none
    */
   public java.lang.String getNextPageToken() {
@@ -83,7 +85,8 @@ public java.lang.String getNextPageToken() {
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * @param nextPageToken nextPageToken or {@code null} for none
    */
   public ListCustomRangesResponse setNextPageToken(java.lang.String nextPageToken) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java
index 1845579212f..574490e9a06 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListDiscoveredRangesResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for response to listing DiscoveredRanges
+ * Response message for the CloudNumberRegistry.ListDiscoveredRanges method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,7 +31,7 @@
 public final class ListDiscoveredRangesResponse extends com.google.api.client.json.GenericJson {
 
   /**
-   * The list of DiscoveredRange
+   * The list of DiscoveredRanges.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -44,7 +44,8 @@ public final class ListDiscoveredRangesResponse extends com.google.api.client.js
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -58,7 +59,7 @@ public final class ListDiscoveredRangesResponse extends com.google.api.client.js
   private java.util.List<java.lang.String> unreachable;
 
   /**
-   * The list of DiscoveredRange
+   * The list of DiscoveredRanges.
    * @return value or {@code null} for none
    */
   public java.util.List<DiscoveredRange> getDiscoveredRanges() {
@@ -66,7 +67,7 @@ public java.util.List<DiscoveredRange> getDiscoveredRanges() {
   }
 
   /**
-   * The list of DiscoveredRange
+   * The list of DiscoveredRanges.
    * @param discoveredRanges discoveredRanges or {@code null} for none
    */
   public ListDiscoveredRangesResponse setDiscoveredRanges(java.util.List<DiscoveredRange> discoveredRanges) {
@@ -75,7 +76,8 @@ public ListDiscoveredRangesResponse setDiscoveredRanges(java.util.List<Discovere
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * @return value or {@code null} for none
    */
   public java.lang.String getNextPageToken() {
@@ -83,7 +85,8 @@ public java.lang.String getNextPageToken() {
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * @param nextPageToken nextPageToken or {@code null} for none
    */
   public ListDiscoveredRangesResponse setNextPageToken(java.lang.String nextPageToken) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java
index 068a2c86a3c..dddcb6cbc1a 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListIpamAdminScopesResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for response to listing ipamAdminScopes
+ * Response message for the CloudNumberRegistry.ListIpamAdminScopes method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,7 +31,7 @@
 public final class ListIpamAdminScopesResponse extends com.google.api.client.json.GenericJson {
 
   /**
-   * The list of IpamAdminScope
+   * The list of IpamAdminScopes.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -44,7 +44,8 @@ public final class ListIpamAdminScopesResponse extends com.google.api.client.jso
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -58,7 +59,7 @@ public final class ListIpamAdminScopesResponse extends com.google.api.client.jso
   private java.util.List<java.lang.String> unreachable;
 
   /**
-   * The list of IpamAdminScope
+   * The list of IpamAdminScopes.
    * @return value or {@code null} for none
    */
   public java.util.List<IpamAdminScope> getIpamAdminScopes() {
@@ -66,7 +67,7 @@ public java.util.List<IpamAdminScope> getIpamAdminScopes() {
   }
 
   /**
-   * The list of IpamAdminScope
+   * The list of IpamAdminScopes.
    * @param ipamAdminScopes ipamAdminScopes or {@code null} for none
    */
   public ListIpamAdminScopesResponse setIpamAdminScopes(java.util.List<IpamAdminScope> ipamAdminScopes) {
@@ -75,7 +76,8 @@ public ListIpamAdminScopesResponse setIpamAdminScopes(java.util.List<IpamAdminSc
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * @return value or {@code null} for none
    */
   public java.lang.String getNextPageToken() {
@@ -83,7 +85,8 @@ public java.lang.String getNextPageToken() {
   }
 
   /**
-   * A token identifying a page of results the server should return.
+   * A token to retrieve the next page of results, or empty if there are no more results in the
+   * list.
    * @param nextPageToken nextPageToken or {@code null} for none
    */
   public ListIpamAdminScopesResponse setNextPageToken(java.lang.String nextPageToken) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java
index b1ba6c1e925..9f303354a4b 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRealmsResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for response to listing Realms
+ * Response message for the CloudNumberRegistry.ListRealms method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -38,7 +38,7 @@ public final class ListRealmsResponse extends com.google.api.client.json.Generic
   private java.lang.String nextPageToken;
 
   /**
-   * The list of Realm
+   * The list of Realms.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -69,7 +69,7 @@ public ListRealmsResponse setNextPageToken(java.lang.String nextPageToken) {
   }
 
   /**
-   * The list of Realm
+   * The list of Realms.
    * @return value or {@code null} for none
    */
   public java.util.List<Realm> getRealms() {
@@ -77,7 +77,7 @@ public java.util.List<Realm> getRealms() {
   }
 
   /**
-   * The list of Realm
+   * The list of Realms.
    * @param realms realms or {@code null} for none
    */
   public ListRealmsResponse setRealms(java.util.List<Realm> realms) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java
index a78e0855e43..136954a3f7e 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ListRegistryBooksResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for response to listing RegistryBooks
+ * Response message for the CloudNumberRegistry.ListRegistryBooks method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Range.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Range.java
index de3ae2f8b4b..84ff9bd4807 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Range.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Range.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message describing either a CustomRange or a DiscoveredRange.
+ * Represents either a CustomRange or a DiscoveredRange.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,28 +31,28 @@
 public final class Range extends com.google.api.client.json.GenericJson {
 
   /**
-   * A custom range.
+   * A CustomRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private CustomRange customRange;
 
   /**
-   * A discovered range.
+   * A DiscoveredRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private DiscoveredRange discoveredRange;
 
   /**
-   * The utilization of the range.
+   * The utilization of the Range.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private RangeUtilization utilization;
 
   /**
-   * A custom range.
+   * A CustomRange.
    * @return value or {@code null} for none
    */
   public CustomRange getCustomRange() {
@@ -60,7 +60,7 @@ public CustomRange getCustomRange() {
   }
 
   /**
-   * A custom range.
+   * A CustomRange.
    * @param customRange customRange or {@code null} for none
    */
   public Range setCustomRange(CustomRange customRange) {
@@ -69,7 +69,7 @@ public Range setCustomRange(CustomRange customRange) {
   }
 
   /**
-   * A discovered range.
+   * A DiscoveredRange.
    * @return value or {@code null} for none
    */
   public DiscoveredRange getDiscoveredRange() {
@@ -77,7 +77,7 @@ public DiscoveredRange getDiscoveredRange() {
   }
 
   /**
-   * A discovered range.
+   * A DiscoveredRange.
    * @param discoveredRange discoveredRange or {@code null} for none
    */
   public Range setDiscoveredRange(DiscoveredRange discoveredRange) {
@@ -86,7 +86,7 @@ public Range setDiscoveredRange(DiscoveredRange discoveredRange) {
   }
 
   /**
-   * The utilization of the range.
+   * The utilization of the Range.
    * @return value or {@code null} for none
    */
   public RangeUtilization getUtilization() {
@@ -94,7 +94,7 @@ public RangeUtilization getUtilization() {
   }
 
   /**
-   * The utilization of the range.
+   * The utilization of the Range.
    * @param utilization utilization or {@code null} for none
    */
   public Range setUtilization(RangeUtilization utilization) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RangeUtilization.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RangeUtilization.java
index 4e39eec0f14..05afa107198 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RangeUtilization.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RangeUtilization.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for the utilization of an IP range
+ * Utilization metrics for an IP Range, including consumed and produced address counts.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,21 +31,21 @@
 public final class RangeUtilization extends com.google.api.client.json.GenericJson {
 
   /**
-   * Output only. The total number of IP addresses consumed in the range.
+   * Output only. The total number of IP addresses consumed in the Range.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String totalConsumed;
 
   /**
-   * Output only. The total number of IP addresses produced in the range.
+   * Output only. The total number of IP addresses produced in the Range.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String totalProduced;
 
   /**
-   * Output only. The usage of the range as a percentage. This is marked as optional so that we have
+   * Output only. The usage of the Range as a percentage. This is marked as optional so that we have
    * presence tracking and API responses show 0.0 instead of NULL.
    * The value may be {@code null}.
    */
@@ -53,7 +53,7 @@ public final class RangeUtilization extends com.google.api.client.json.GenericJs
   private java.lang.Double usage;
 
   /**
-   * Output only. The total number of IP addresses consumed in the range.
+   * Output only. The total number of IP addresses consumed in the Range.
    * @return value or {@code null} for none
    */
   public java.lang.String getTotalConsumed() {
@@ -61,7 +61,7 @@ public java.lang.String getTotalConsumed() {
   }
 
   /**
-   * Output only. The total number of IP addresses consumed in the range.
+   * Output only. The total number of IP addresses consumed in the Range.
    * @param totalConsumed totalConsumed or {@code null} for none
    */
   public RangeUtilization setTotalConsumed(java.lang.String totalConsumed) {
@@ -70,7 +70,7 @@ public RangeUtilization setTotalConsumed(java.lang.String totalConsumed) {
   }
 
   /**
-   * Output only. The total number of IP addresses produced in the range.
+   * Output only. The total number of IP addresses produced in the Range.
    * @return value or {@code null} for none
    */
   public java.lang.String getTotalProduced() {
@@ -78,7 +78,7 @@ public java.lang.String getTotalProduced() {
   }
 
   /**
-   * Output only. The total number of IP addresses produced in the range.
+   * Output only. The total number of IP addresses produced in the Range.
    * @param totalProduced totalProduced or {@code null} for none
    */
   public RangeUtilization setTotalProduced(java.lang.String totalProduced) {
@@ -87,7 +87,7 @@ public RangeUtilization setTotalProduced(java.lang.String totalProduced) {
   }
 
   /**
-   * Output only. The usage of the range as a percentage. This is marked as optional so that we have
+   * Output only. The usage of the Range as a percentage. This is marked as optional so that we have
    * presence tracking and API responses show 0.0 instead of NULL.
    * @return value or {@code null} for none
    */
@@ -96,7 +96,7 @@ public java.lang.Double getUsage() {
   }
 
   /**
-   * Output only. The usage of the range as a percentage. This is marked as optional so that we have
+   * Output only. The usage of the Range as a percentage. This is marked as optional so that we have
    * presence tracking and API responses show 0.0 instead of NULL.
    * @param usage usage or {@code null} for none
    */
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java
index 26db6f00c53..e8e47d64bad 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java
@@ -17,7 +17,9 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message describing Realm object
+ * A Realm represents a distinct network domain or security zone. It groups Ranges that share the
+ * same traffic and management characteristics. All the ranges in a Realm are routable to each
+ * other, meaning that they cannot overlap.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -38,63 +40,63 @@ public final class Realm extends com.google.api.client.json.GenericJson {
   private RealmAggregatedData aggregatedData;
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the Realm was created.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private String createTime;
 
   /**
-   * Output only. Discovery metadata of the realm.
+   * Output only. Discovery metadata of the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private DiscoveryMetadata discoveryMetadata;
 
   /**
-   * Optional. IP version of the realm.
+   * Optional. IP version of the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String ipVersion;
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.Map<String, java.lang.String> labels;
 
   /**
-   * Required. Management type of realm.
+   * Required. Management type of the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String managementType;
 
   /**
-   * Required. Identifier. Unique name/ID of the realm
+   * Required. Identifier. The resource name of the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String name;
 
   /**
-   * Required. URI of the registry book that claims the realm.
+   * Required. Name of the RegistryBook that claims the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String registryBook;
 
   /**
-   * Required. Traffic type of realm.
+   * Required. Traffic type of the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String trafficType;
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the Realm was last updated.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -118,7 +120,7 @@ public Realm setAggregatedData(RealmAggregatedData aggregatedData) {
   }
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the Realm was created.
    * @return value or {@code null} for none
    */
   public String getCreateTime() {
@@ -126,7 +128,7 @@ public String getCreateTime() {
   }
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the Realm was created.
    * @param createTime createTime or {@code null} for none
    */
   public Realm setCreateTime(String createTime) {
@@ -135,7 +137,7 @@ public Realm setCreateTime(String createTime) {
   }
 
   /**
-   * Output only. Discovery metadata of the realm.
+   * Output only. Discovery metadata of the Realm.
    * @return value or {@code null} for none
    */
   public DiscoveryMetadata getDiscoveryMetadata() {
@@ -143,7 +145,7 @@ public DiscoveryMetadata getDiscoveryMetadata() {
   }
 
   /**
-   * Output only. Discovery metadata of the realm.
+   * Output only. Discovery metadata of the Realm.
    * @param discoveryMetadata discoveryMetadata or {@code null} for none
    */
   public Realm setDiscoveryMetadata(DiscoveryMetadata discoveryMetadata) {
@@ -152,7 +154,7 @@ public Realm setDiscoveryMetadata(DiscoveryMetadata discoveryMetadata) {
   }
 
   /**
-   * Optional. IP version of the realm.
+   * Optional. IP version of the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.String getIpVersion() {
@@ -160,7 +162,7 @@ public java.lang.String getIpVersion() {
   }
 
   /**
-   * Optional. IP version of the realm.
+   * Optional. IP version of the Realm.
    * @param ipVersion ipVersion or {@code null} for none
    */
   public Realm setIpVersion(java.lang.String ipVersion) {
@@ -169,7 +171,7 @@ public Realm setIpVersion(java.lang.String ipVersion) {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @return value or {@code null} for none
    */
   public java.util.Map<String, java.lang.String> getLabels() {
@@ -177,7 +179,7 @@ public java.util.Map<String, java.lang.String> getLabels() {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @param labels labels or {@code null} for none
    */
   public Realm setLabels(java.util.Map<String, java.lang.String> labels) {
@@ -186,7 +188,7 @@ public Realm setLabels(java.util.Map<String, java.lang.String> labels) {
   }
 
   /**
-   * Required. Management type of realm.
+   * Required. Management type of the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.String getManagementType() {
@@ -194,7 +196,7 @@ public java.lang.String getManagementType() {
   }
 
   /**
-   * Required. Management type of realm.
+   * Required. Management type of the Realm.
    * @param managementType managementType or {@code null} for none
    */
   public Realm setManagementType(java.lang.String managementType) {
@@ -203,7 +205,7 @@ public Realm setManagementType(java.lang.String managementType) {
   }
 
   /**
-   * Required. Identifier. Unique name/ID of the realm
+   * Required. Identifier. The resource name of the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.String getName() {
@@ -211,7 +213,7 @@ public java.lang.String getName() {
   }
 
   /**
-   * Required. Identifier. Unique name/ID of the realm
+   * Required. Identifier. The resource name of the Realm.
    * @param name name or {@code null} for none
    */
   public Realm setName(java.lang.String name) {
@@ -220,7 +222,7 @@ public Realm setName(java.lang.String name) {
   }
 
   /**
-   * Required. URI of the registry book that claims the realm.
+   * Required. Name of the RegistryBook that claims the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.String getRegistryBook() {
@@ -228,7 +230,7 @@ public java.lang.String getRegistryBook() {
   }
 
   /**
-   * Required. URI of the registry book that claims the realm.
+   * Required. Name of the RegistryBook that claims the Realm.
    * @param registryBook registryBook or {@code null} for none
    */
   public Realm setRegistryBook(java.lang.String registryBook) {
@@ -237,7 +239,7 @@ public Realm setRegistryBook(java.lang.String registryBook) {
   }
 
   /**
-   * Required. Traffic type of realm.
+   * Required. Traffic type of the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.String getTrafficType() {
@@ -245,7 +247,7 @@ public java.lang.String getTrafficType() {
   }
 
   /**
-   * Required. Traffic type of realm.
+   * Required. Traffic type of the Realm.
    * @param trafficType trafficType or {@code null} for none
    */
   public Realm setTrafficType(java.lang.String trafficType) {
@@ -254,7 +256,7 @@ public Realm setTrafficType(java.lang.String trafficType) {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the Realm was last updated.
    * @return value or {@code null} for none
    */
   public String getUpdateTime() {
@@ -262,7 +264,7 @@ public String getUpdateTime() {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the Realm was last updated.
    * @param updateTime updateTime or {@code null} for none
    */
   public Realm setUpdateTime(String updateTime) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RealmAggregatedData.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RealmAggregatedData.java
index aa2e745ee8c..c67b2000d3b 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RealmAggregatedData.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RealmAggregatedData.java
@@ -31,21 +31,21 @@
 public final class RealmAggregatedData extends com.google.api.client.json.GenericJson {
 
   /**
-   * Output only. Number of custom ranges in the Realm.
+   * Output only. Number of CustomRanges in the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.Integer customRangesCount;
 
   /**
-   * Output only. Number of discovered ranges in the Realm.
+   * Output only. Number of DiscoveredRanges in the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.Integer discoveredRangesCount;
 
   /**
-   * Output only. Number of custom ranges in the Realm.
+   * Output only. Number of CustomRanges in the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.Integer getCustomRangesCount() {
@@ -53,7 +53,7 @@ public java.lang.Integer getCustomRangesCount() {
   }
 
   /**
-   * Output only. Number of custom ranges in the Realm.
+   * Output only. Number of CustomRanges in the Realm.
    * @param customRangesCount customRangesCount or {@code null} for none
    */
   public RealmAggregatedData setCustomRangesCount(java.lang.Integer customRangesCount) {
@@ -62,7 +62,7 @@ public RealmAggregatedData setCustomRangesCount(java.lang.Integer customRangesCo
   }
 
   /**
-   * Output only. Number of discovered ranges in the Realm.
+   * Output only. Number of DiscoveredRanges in the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.Integer getDiscoveredRangesCount() {
@@ -70,7 +70,7 @@ public java.lang.Integer getDiscoveredRangesCount() {
   }
 
   /**
-   * Output only. Number of discovered ranges in the Realm.
+   * Output only. Number of DiscoveredRanges in the Realm.
    * @param discoveredRangesCount discoveredRangesCount or {@code null} for none
    */
   public RealmAggregatedData setDiscoveredRangesCount(java.lang.Integer discoveredRangesCount) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RegistryBook.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RegistryBook.java
index ad725d25faa..8704defdbb3 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RegistryBook.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/RegistryBook.java
@@ -17,7 +17,8 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message describing RegistryBook object
+ * A RegistryBook organizes and manages IP address space. It claims specific scopes (such as
+ * projects) and groups related Realms and Ranges.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -47,7 +48,7 @@ public final class RegistryBook extends com.google.api.client.json.GenericJson {
   private java.util.List<java.lang.String> claimedScopes;
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the RegistryBook was created.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -61,21 +62,21 @@ public final class RegistryBook extends com.google.api.client.json.GenericJson {
   private java.lang.Boolean isDefault;
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.Map<String, java.lang.String> labels;
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the RegistryBook.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String name;
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the RegistryBook was last updated.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -120,7 +121,7 @@ public RegistryBook setClaimedScopes(java.util.List<java.lang.String> claimedSco
   }
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the RegistryBook was created.
    * @return value or {@code null} for none
    */
   public String getCreateTime() {
@@ -128,7 +129,7 @@ public String getCreateTime() {
   }
 
   /**
-   * Output only. [Output only] Create time stamp
+   * Output only. The time at which the RegistryBook was created.
    * @param createTime createTime or {@code null} for none
    */
   public RegistryBook setCreateTime(String createTime) {
@@ -154,7 +155,7 @@ public RegistryBook setIsDefault(java.lang.Boolean isDefault) {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @return value or {@code null} for none
    */
   public java.util.Map<String, java.lang.String> getLabels() {
@@ -162,7 +163,7 @@ public java.util.Map<String, java.lang.String> getLabels() {
   }
 
   /**
-   * Optional. Labels as key value pairs
+   * Optional. User-defined labels.
    * @param labels labels or {@code null} for none
    */
   public RegistryBook setLabels(java.util.Map<String, java.lang.String> labels) {
@@ -171,7 +172,7 @@ public RegistryBook setLabels(java.util.Map<String, java.lang.String> labels) {
   }
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the RegistryBook.
    * @return value or {@code null} for none
    */
   public java.lang.String getName() {
@@ -179,7 +180,7 @@ public java.lang.String getName() {
   }
 
   /**
-   * Required. Identifier. name of resource
+   * Required. Identifier. The resource name of the RegistryBook.
    * @param name name or {@code null} for none
    */
   public RegistryBook setName(java.lang.String name) {
@@ -188,7 +189,7 @@ public RegistryBook setName(java.lang.String name) {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the RegistryBook was last updated.
    * @return value or {@code null} for none
    */
   public String getUpdateTime() {
@@ -196,7 +197,7 @@ public String getUpdateTime() {
   }
 
   /**
-   * Output only. [Output only] Update time stamp
+   * Output only. The time at which the RegistryBook was last updated.
    * @param updateTime updateTime or {@code null} for none
    */
   public RegistryBook setUpdateTime(String updateTime) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesRequest.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesRequest.java
index 34c70b7f534..a3618608fe4 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesRequest.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesRequest.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for searching IP resources
+ * Request message for the CloudNumberRegistry.SearchIpResources method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,7 +31,11 @@
 public final class SearchIpResourcesRequest extends com.google.api.client.json.GenericJson {
 
   /**
-   * Optional. Hint for how to order the results
+   * Optional. Hint for how to order the results. Supported sort fields are: - `name`: Sort
+   * alphabetically by the resource name. - `create_time`: Sort by the creation timestamp of the
+   * resource. - `update_time`: Sort by the last update timestamp of the resource. Supported
+   * directions are `asc` (ascending) and `desc` (descending). If unspecified, direction defaults to
+   * `asc`. Only sorting by a single field is supported.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -56,37 +60,43 @@ public final class SearchIpResourcesRequest extends com.google.api.client.json.G
    * Optional. Search query. This string filters resources in an AIP-160-like format. It has some
    * limitations. You can only specify top level conjunctions or attribute level negations. Each
    * restriction can only be used once except the attribute restriction. The available restrictions
-   * for ranges are: - `realm`: The realm name to search in. - `ip_address`: The IP address to
-   * search for within ranges. - `ip_version`: The IP version to filter by (e.g., "IPV4", "IPV6"). -
-   * `parent_range`: The parent range of the range to search for. - `attribute_text`: The attribute
-   * text to search for within ranges. - `attribute`: The attribute key and value to filter by. The
-   * available restrictions for realms are: - `ip_version`: The IP version to search for. Only one
-   * of attribute_text or multiple attribute filters can be specified. Examples: - `realm=test-
-   * realm` - `realm=test-realm AND ip_address=10.0.0.0` - `realm=test-realm AND ip_version=IPV6` -
+   * for Ranges are: - `realm`: The Realm name to search in. - `ip_address`: The IP address to
+   * search for within Ranges. - `ip_version`: The IP version to filter by (e.g., "IPV4", "IPV6"). -
+   * `parent_range`: The parent Range of the Range to search for. - `attribute_text`: The attribute
+   * text to search for within Ranges. - `attribute`: The attribute key and value to filter by. The
+   * available restrictions for Realms are: - `ip_version`: The IP version to search for. -
+   * `management_type`: The management type of the Realm (e.g., "CNR", "USER"). Only one of
+   * attribute_text or multiple attribute filters can be specified. Examples: - `realm=test-realm` -
+   * `realm=test-realm AND ip_address=10.0.0.0` - `realm=test-realm AND ip_version=IPV6` -
    * `realm=test-realm AND attribute_text=test` - `ip_address=10.0.0.0 AND attribute:(key1=value1)
    * AND attribute:(key2=value2)` - `attribute_text=test AND
-   * parent_range=projects/123/locations/global/discoveredRanges/test-parent-range`
+   * parent_range=projects/123/locations/global/discoveredRanges/test-parent-range` -
+   * `management_type=CNR`
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.String query;
 
   /**
-   * Optional. The type of resources to search for. If not specified, the server will return ranges.
+   * Optional. The type of resources to search for. If not specified, the server will return Ranges.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.util.List<java.lang.String> searchResourceTypes;
 
   /**
-   * Optional. Whether to show the utilization of the ranges in the response.
+   * Optional. Whether to show the utilization of the Ranges in the response.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private java.lang.Boolean showUtilization;
 
   /**
-   * Optional. Hint for how to order the results
+   * Optional. Hint for how to order the results. Supported sort fields are: - `name`: Sort
+   * alphabetically by the resource name. - `create_time`: Sort by the creation timestamp of the
+   * resource. - `update_time`: Sort by the last update timestamp of the resource. Supported
+   * directions are `asc` (ascending) and `desc` (descending). If unspecified, direction defaults to
+   * `asc`. Only sorting by a single field is supported.
    * @return value or {@code null} for none
    */
   public java.lang.String getOrderBy() {
@@ -94,7 +104,11 @@ public java.lang.String getOrderBy() {
   }
 
   /**
-   * Optional. Hint for how to order the results
+   * Optional. Hint for how to order the results. Supported sort fields are: - `name`: Sort
+   * alphabetically by the resource name. - `create_time`: Sort by the creation timestamp of the
+   * resource. - `update_time`: Sort by the last update timestamp of the resource. Supported
+   * directions are `asc` (ascending) and `desc` (descending). If unspecified, direction defaults to
+   * `asc`. Only sorting by a single field is supported.
    * @param orderBy orderBy or {@code null} for none
    */
   public SearchIpResourcesRequest setOrderBy(java.lang.String orderBy) {
@@ -142,16 +156,18 @@ public SearchIpResourcesRequest setPageToken(java.lang.String pageToken) {
    * Optional. Search query. This string filters resources in an AIP-160-like format. It has some
    * limitations. You can only specify top level conjunctions or attribute level negations. Each
    * restriction can only be used once except the attribute restriction. The available restrictions
-   * for ranges are: - `realm`: The realm name to search in. - `ip_address`: The IP address to
-   * search for within ranges. - `ip_version`: The IP version to filter by (e.g., "IPV4", "IPV6"). -
-   * `parent_range`: The parent range of the range to search for. - `attribute_text`: The attribute
-   * text to search for within ranges. - `attribute`: The attribute key and value to filter by. The
-   * available restrictions for realms are: - `ip_version`: The IP version to search for. Only one
-   * of attribute_text or multiple attribute filters can be specified. Examples: - `realm=test-
-   * realm` - `realm=test-realm AND ip_address=10.0.0.0` - `realm=test-realm AND ip_version=IPV6` -
+   * for Ranges are: - `realm`: The Realm name to search in. - `ip_address`: The IP address to
+   * search for within Ranges. - `ip_version`: The IP version to filter by (e.g., "IPV4", "IPV6"). -
+   * `parent_range`: The parent Range of the Range to search for. - `attribute_text`: The attribute
+   * text to search for within Ranges. - `attribute`: The attribute key and value to filter by. The
+   * available restrictions for Realms are: - `ip_version`: The IP version to search for. -
+   * `management_type`: The management type of the Realm (e.g., "CNR", "USER"). Only one of
+   * attribute_text or multiple attribute filters can be specified. Examples: - `realm=test-realm` -
+   * `realm=test-realm AND ip_address=10.0.0.0` - `realm=test-realm AND ip_version=IPV6` -
    * `realm=test-realm AND attribute_text=test` - `ip_address=10.0.0.0 AND attribute:(key1=value1)
    * AND attribute:(key2=value2)` - `attribute_text=test AND
-   * parent_range=projects/123/locations/global/discoveredRanges/test-parent-range`
+   * parent_range=projects/123/locations/global/discoveredRanges/test-parent-range` -
+   * `management_type=CNR`
    * @return value or {@code null} for none
    */
   public java.lang.String getQuery() {
@@ -162,16 +178,18 @@ public java.lang.String getQuery() {
    * Optional. Search query. This string filters resources in an AIP-160-like format. It has some
    * limitations. You can only specify top level conjunctions or attribute level negations. Each
    * restriction can only be used once except the attribute restriction. The available restrictions
-   * for ranges are: - `realm`: The realm name to search in. - `ip_address`: The IP address to
-   * search for within ranges. - `ip_version`: The IP version to filter by (e.g., "IPV4", "IPV6"). -
-   * `parent_range`: The parent range of the range to search for. - `attribute_text`: The attribute
-   * text to search for within ranges. - `attribute`: The attribute key and value to filter by. The
-   * available restrictions for realms are: - `ip_version`: The IP version to search for. Only one
-   * of attribute_text or multiple attribute filters can be specified. Examples: - `realm=test-
-   * realm` - `realm=test-realm AND ip_address=10.0.0.0` - `realm=test-realm AND ip_version=IPV6` -
+   * for Ranges are: - `realm`: The Realm name to search in. - `ip_address`: The IP address to
+   * search for within Ranges. - `ip_version`: The IP version to filter by (e.g., "IPV4", "IPV6"). -
+   * `parent_range`: The parent Range of the Range to search for. - `attribute_text`: The attribute
+   * text to search for within Ranges. - `attribute`: The attribute key and value to filter by. The
+   * available restrictions for Realms are: - `ip_version`: The IP version to search for. -
+   * `management_type`: The management type of the Realm (e.g., "CNR", "USER"). Only one of
+   * attribute_text or multiple attribute filters can be specified. Examples: - `realm=test-realm` -
+   * `realm=test-realm AND ip_address=10.0.0.0` - `realm=test-realm AND ip_version=IPV6` -
    * `realm=test-realm AND attribute_text=test` - `ip_address=10.0.0.0 AND attribute:(key1=value1)
    * AND attribute:(key2=value2)` - `attribute_text=test AND
-   * parent_range=projects/123/locations/global/discoveredRanges/test-parent-range`
+   * parent_range=projects/123/locations/global/discoveredRanges/test-parent-range` -
+   * `management_type=CNR`
    * @param query query or {@code null} for none
    */
   public SearchIpResourcesRequest setQuery(java.lang.String query) {
@@ -180,7 +198,7 @@ public SearchIpResourcesRequest setQuery(java.lang.String query) {
   }
 
   /**
-   * Optional. The type of resources to search for. If not specified, the server will return ranges.
+   * Optional. The type of resources to search for. If not specified, the server will return Ranges.
    * @return value or {@code null} for none
    */
   public java.util.List<java.lang.String> getSearchResourceTypes() {
@@ -188,7 +206,7 @@ public java.util.List<java.lang.String> getSearchResourceTypes() {
   }
 
   /**
-   * Optional. The type of resources to search for. If not specified, the server will return ranges.
+   * Optional. The type of resources to search for. If not specified, the server will return Ranges.
    * @param searchResourceTypes searchResourceTypes or {@code null} for none
    */
   public SearchIpResourcesRequest setSearchResourceTypes(java.util.List<java.lang.String> searchResourceTypes) {
@@ -197,7 +215,7 @@ public SearchIpResourcesRequest setSearchResourceTypes(java.util.List<java.lang.
   }
 
   /**
-   * Optional. Whether to show the utilization of the ranges in the response.
+   * Optional. Whether to show the utilization of the Ranges in the response.
    * @return value or {@code null} for none
    */
   public java.lang.Boolean getShowUtilization() {
@@ -205,7 +223,7 @@ public java.lang.Boolean getShowUtilization() {
   }
 
   /**
-   * Optional. Whether to show the utilization of the ranges in the response.
+   * Optional. Whether to show the utilization of the Ranges in the response.
    * @param showUtilization showUtilization or {@code null} for none
    */
   public SearchIpResourcesRequest setShowUtilization(java.lang.Boolean showUtilization) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java
index 4ebe52642b0..a79d80b2685 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for response to searching IP resources
+ * Response message for the CloudNumberRegistry.SearchIpResources method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -38,7 +38,7 @@ public final class SearchIpResourcesResponse extends com.google.api.client.json.
   private java.lang.String nextPageToken;
 
   /**
-   * Deprecated: Use results field instead. The list of ranges matching the search query.
+   * Deprecated: Use results field instead. The list of Ranges matching the search query.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -82,7 +82,7 @@ public SearchIpResourcesResponse setNextPageToken(java.lang.String nextPageToken
   }
 
   /**
-   * Deprecated: Use results field instead. The list of ranges matching the search query.
+   * Deprecated: Use results field instead. The list of Ranges matching the search query.
    * @return value or {@code null} for none
    */
   public java.util.List<Range> getRanges() {
@@ -90,7 +90,7 @@ public java.util.List<Range> getRanges() {
   }
 
   /**
-   * Deprecated: Use results field instead. The list of ranges matching the search query.
+   * Deprecated: Use results field instead. The list of Ranges matching the search query.
    * @param ranges ranges or {@code null} for none
    */
   public SearchIpResourcesResponse setRanges(java.util.List<Range> ranges) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResult.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResult.java
index 82e5d3e144c..e46675aefea 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResult.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/SearchIpResourcesResult.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * A result matching the search query, which can be either a range or a realm.
+ * A result matching the search query, which can be either a Range or a Realm.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -31,21 +31,21 @@
 public final class SearchIpResourcesResult extends com.google.api.client.json.GenericJson {
 
   /**
-   * A range matching the search query.
+   * A Range matching the search query.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private Range range;
 
   /**
-   * A realm matching the search query.
+   * A Realm matching the search query.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
   private Realm realm;
 
   /**
-   * A range matching the search query.
+   * A Range matching the search query.
    * @return value or {@code null} for none
    */
   public Range getRange() {
@@ -53,7 +53,7 @@ public Range getRange() {
   }
 
   /**
-   * A range matching the search query.
+   * A Range matching the search query.
    * @param range range or {@code null} for none
    */
   public SearchIpResourcesResult setRange(Range range) {
@@ -62,7 +62,7 @@ public SearchIpResourcesResult setRange(Range range) {
   }
 
   /**
-   * A realm matching the search query.
+   * A Realm matching the search query.
    * @return value or {@code null} for none
    */
   public Realm getRealm() {
@@ -70,7 +70,7 @@ public Realm getRealm() {
   }
 
   /**
-   * A realm matching the search query.
+   * A Realm matching the search query.
    * @param realm realm or {@code null} for none
    */
   public SearchIpResourcesResult setRealm(Realm realm) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowCustomRangeUtilizationResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowCustomRangeUtilizationResponse.java
index af5f1c52b7d..af1dac56d1f 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowCustomRangeUtilizationResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowCustomRangeUtilizationResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for the response to getting the utilization of a CustomRange
+ * Response message for the CloudNumberRegistry.ShowCustomRangeUtilization method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -38,7 +38,7 @@ public final class ShowCustomRangeUtilizationResponse extends com.google.api.cli
   private CustomRange customRange;
 
   /**
-   * The utilization of the CustomRange.
+   * The utilization details of the CustomRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -62,7 +62,7 @@ public ShowCustomRangeUtilizationResponse setCustomRange(CustomRange customRange
   }
 
   /**
-   * The utilization of the CustomRange.
+   * The utilization details of the CustomRange.
    * @return value or {@code null} for none
    */
   public RangeUtilization getRangeUtilization() {
@@ -70,7 +70,7 @@ public RangeUtilization getRangeUtilization() {
   }
 
   /**
-   * The utilization of the CustomRange.
+   * The utilization details of the CustomRange.
    * @param rangeUtilization rangeUtilization or {@code null} for none
    */
   public ShowCustomRangeUtilizationResponse setRangeUtilization(RangeUtilization rangeUtilization) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowDiscoveredRangeUtilizationResponse.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowDiscoveredRangeUtilizationResponse.java
index b68e9a204c4..eaaca4397b4 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowDiscoveredRangeUtilizationResponse.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/ShowDiscoveredRangeUtilizationResponse.java
@@ -17,7 +17,7 @@
 package com.google.api.services.cloudnumberregistry.v1alpha.model;
 
 /**
- * Message for the response to getting the utilization of a DiscoveredRange
+ * Response message for the CloudNumberRegistry.ShowDiscoveredRangeUtilization method.
  *
  * <p> This is the Java data model class that specifies how to parse/serialize into the JSON that is
  * transmitted over HTTP when working with the Cloud Number Registry API. For a detailed explanation
@@ -38,7 +38,7 @@ public final class ShowDiscoveredRangeUtilizationResponse extends com.google.api
   private DiscoveredRange discoveredRange;
 
   /**
-   * The utilization of the DiscoveredRange.
+   * The utilization details of the DiscoveredRange.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -62,7 +62,7 @@ public ShowDiscoveredRangeUtilizationResponse setDiscoveredRange(DiscoveredRange
   }
 
   /**
-   * The utilization of the DiscoveredRange.
+   * The utilization details of the DiscoveredRange.
    * @return value or {@code null} for none
    */
   public RangeUtilization getRangeUtilization() {
@@ -70,7 +70,7 @@ public RangeUtilization getRangeUtilization() {
   }
 
   /**
-   * The utilization of the DiscoveredRange.
+   * The utilization details of the DiscoveredRange.
    * @param rangeUtilization rangeUtilization or {@code null} for none
    */
   public ShowDiscoveredRangeUtilizationResponse setRangeUtilization(RangeUtilization rangeUtilization) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
index 913c86dfa7b..359f157390e 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-cloudnumberregistry</artifactId>
-  <version>v1alpha-rev20260506-2.0.0</version>
-  <name>Cloud Number Registry API v1alpha-rev20260506-2.0.0</name>
+  <version>v1alpha-rev20260527-2.0.0</version>
+  <name>Cloud Number Registry API v1alpha-rev20260527-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/README.md b/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
index fade3c4ecf5..37f3a5c2ee6 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudnumberregistry</artifactId>
-      <version>v1alpha-rev20260506-2.0.0</version>
+      <version>v1alpha-rev20260527-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260506-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260527-2.0.0'
 }
 ```