public com.google.iam.v1.Policy getIamPolicy(com.google.iam.v1.GetIamPolicyRequest request) {
      return io.grpc.stub.ClientCalls.blockingUnaryCall(
          getChannel(), getGetIamPolicyMethod(), getCallOptions(), request);
    }
<pre>
Gets the access control policy for a
[Queue][google.cloud.tasks.v2beta2.Queue]. Returns an empty policy if the
resource exists and does not have a policy set.
Authorization requires the following
[Google IAM](https://cloud.google.com/iam) permission on the specified
resource parent:
* `cloudtasks.queues.getIamPolicy`
</pre>
java-tasks/grpc-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/CloudTasksGrpc.java