code: @BetaApi
    public final BackendBucket getBackendBucket(String backendBucket) {
  
      GetBackendBucketHttpRequest request =
          GetBackendBucketHttpRequest.newBuilder().setBackendBucket(backendBucket).build();
      return getBackendBucket(request);
    }
docs: Returns the specified BackendBucket resource. Gets a list of available backend buckets by
  making a list() request.
  
  <p>Sample code:
  
  <pre><code>
  try (BackendBucketClient backendBucketClient = BackendBucketClient.create()) {
  ProjectGlobalBackendBucketName backendBucket = ProjectGlobalBackendBucketName.of("[PROJECT]", "[BACKEND_BUCKET]");
  BackendBucket response = backendBucketClient.getBackendBucket(backendBucket.toString());
  }
  </code></pre>
  
  @param backendBucket Name of the BackendBucket resource to return.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails