chore: regenerate apikeys client

Author: yoshi-code-bot

clients/google-api-services-apikeys/v2/2.0.0/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-apikeys</artifactId>
-      <version>v2-rev20260721-2.0.0</version>
+      <version>v2-rev20260731-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-apikeys:v2-rev20260721-2.0.0'
+  implementation 'com.google.apis:google-api-services-apikeys:v2-rev20260731-2.0.0'
 }
 ```
 

clients/google-api-services-apikeys/v2/2.0.0/com/google/api/services/apikeys/v2/ApiKeysService.java

@@ -806,6 +806,22 @@ public Delete setName(java.lang.String name) {
             return this;
           }
 
+          /** Optional. Defines the behavior for checking existing usage when deleting a key. */
+          @com.google.api.client.util.Key
+          private java.lang.String checkExistingUsage;
+
+          /** Optional. Defines the behavior for checking existing usage when deleting a key.
+           */
+          public java.lang.String getCheckExistingUsage() {
+            return checkExistingUsage;
+          }
+
+          /** Optional. Defines the behavior for checking existing usage when deleting a key. */
+          public Delete setCheckExistingUsage(java.lang.String checkExistingUsage) {
+            this.checkExistingUsage = checkExistingUsage;
+            return this;
+          }
+
           /**
            * Optional. The etag known to the client for the expected state of the key. This is to be
            * used for optimistic concurrency.

clients/google-api-services-apikeys/v2/2.0.0/pom.xml

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-apikeys</artifactId>
-  <version>v2-rev20260721-2.0.0</version>
-  <name>API Keys API v2-rev20260721-2.0.0</name>
+  <version>v2-rev20260731-2.0.0</version>
+  <name>API Keys API v2-rev20260731-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-apikeys/v2/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-apikeys</artifactId>
-      <version>v2-rev20260721-2.0.0</version>
+      <version>v2-rev20260731-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-apikeys:v2-rev20260721-2.0.0'
+  implementation 'com.google.apis:google-api-services-apikeys:v2-rev20260731-2.0.0'
 }
 ```