default void setIamPolicy(
        com.google.iam.v1.SetIamPolicyRequest request,
        io.grpc.stub.StreamObserver<com.google.iam.v1.Policy> responseObserver) {
      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
          getSetIamPolicyMethod(), responseObserver);
    }
<pre>
Sets the access control policy for a [Queue][google.cloud.tasks.v2.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-v2/src/main/java/com/google/cloud/tasks/v2/CloudTasksGrpc.java