chore(deps): upgrade gapic-generator-java to 2.8.0 and update gax-jav…

…a to 2.18.1 (#439)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 450543911

Source-Link: googleapis/googleapis@5528344

Source-Link: https://github.com/googleapis/googleapis-gen/commit/9f6775cab1958982b88967a43e5e806af0f135db
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOWY2Nzc1Y2FiMTk1ODk4MmI4ODk2N2E0M2U1ZTgwNmFmMGYxMzVkYiJ9

google-cloud-assured-workloads/src/main/java/com/google/cloud/assuredworkloads/v1/AssuredWorkloadsServiceClient.java

@@ -18,7 +18,6 @@
 
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
-import com.google.api.core.BetaApi;
 import com.google.api.gax.core.BackgroundResource;
 import com.google.api.gax.longrunning.OperationFuture;
 import com.google.api.gax.paging.AbstractFixedSizeCollection;
@@ -134,7 +133,6 @@ public static final AssuredWorkloadsServiceClient create(AssuredWorkloadsService
    * Constructs an instance of AssuredWorkloadsServiceClient, using the given stub for making calls.
    * This is for advanced usage - prefer using create(AssuredWorkloadsServiceSettings).
    */
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public static final AssuredWorkloadsServiceClient create(AssuredWorkloadsServiceStub stub) {
     return new AssuredWorkloadsServiceClient(stub);
   }
@@ -151,7 +149,6 @@ protected AssuredWorkloadsServiceClient(AssuredWorkloadsServiceSettings settings
     this.operationsClient = OperationsClient.create(this.stub.getOperationsStub());
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   protected AssuredWorkloadsServiceClient(AssuredWorkloadsServiceStub stub) {
     this.settings = null;
     this.stub = stub;
@@ -162,7 +159,6 @@ public final AssuredWorkloadsServiceSettings getSettings() {
     return settings;
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public AssuredWorkloadsServiceStub getStub() {
     return stub;
   }

google-cloud-assured-workloads/src/main/java/com/google/cloud/assuredworkloads/v1/stub/AssuredWorkloadsServiceStubSettings.java

@@ -202,7 +202,6 @@ public UnaryCallSettings<GetWorkloadRequest, Workload> getWorkloadSettings() {
     return listWorkloadsSettings;
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public AssuredWorkloadsServiceStub createStub() throws IOException {
     if (getTransportChannelProvider()
         .getTransportName()

google-cloud-assured-workloads/src/main/java/com/google/cloud/assuredworkloads/v1beta1/AssuredWorkloadsServiceClient.java

@@ -135,7 +135,6 @@ public static final AssuredWorkloadsServiceClient create(AssuredWorkloadsService
    * Constructs an instance of AssuredWorkloadsServiceClient, using the given stub for making calls.
    * This is for advanced usage - prefer using create(AssuredWorkloadsServiceSettings).
    */
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public static final AssuredWorkloadsServiceClient create(AssuredWorkloadsServiceStub stub) {
     return new AssuredWorkloadsServiceClient(stub);
   }
@@ -152,7 +151,6 @@ protected AssuredWorkloadsServiceClient(AssuredWorkloadsServiceSettings settings
     this.operationsClient = OperationsClient.create(this.stub.getOperationsStub());
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   protected AssuredWorkloadsServiceClient(AssuredWorkloadsServiceStub stub) {
     this.settings = null;
     this.stub = stub;
@@ -163,7 +161,6 @@ public final AssuredWorkloadsServiceSettings getSettings() {
     return settings;
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public AssuredWorkloadsServiceStub getStub() {
     return stub;
   }

google-cloud-assured-workloads/src/main/java/com/google/cloud/assuredworkloads/v1beta1/stub/AssuredWorkloadsServiceStubSettings.java

@@ -203,7 +203,6 @@ public UnaryCallSettings<GetWorkloadRequest, Workload> getWorkloadSettings() {
     return listWorkloadsSettings;
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public AssuredWorkloadsServiceStub createStub() throws IOException {
     if (getTransportChannelProvider()
         .getTransportName()