public com.google.common.util.concurrent.ListenableFuture<com.google.iam.v1.Policy>
        setIamPolicy(com.google.iam.v1.SetIamPolicyRequest request) {
      return io.grpc.stub.ClientCalls.futureUnaryCall(
          getChannel().newCall(getSetIamPolicyMethod(), getCallOptions()), request);
    }
<pre>
Sets the access control policy for a
[Queue][google.cloud.tasks.v2beta3.Queue]. Replaces any existing policy.
Note: The Cloud Console does not check queue-level IAM permissions yet.
Project-level permissions are required to use the Cloud Console.
Authorization requires the following
[Google IAM](https://cloud.google.com/iam) permission on the specified
resource parent:
* `cloudtasks.queues.setIamPolicy`
</pre>
java-tasks/grpc-google-cloud-tasks-v2beta3/src/main/java/com/google/cloud/tasks/v2beta3/CloudTasksGrpc.java