@java.lang.Override
  public com.google.cloud.tasks.v2.QueueOrBuilder getQueueOrBuilder() {
    return queue_ == null ? com.google.cloud.tasks.v2.Queue.getDefaultInstance() : queue_;
  }
<pre>
Required. The queue to create or update.

The queue's [name][google.cloud.tasks.v2.Queue.name] must be specified.

Output only fields cannot be modified using UpdateQueue.
Any value specified for an output only field will be ignored.
The queue's [name][google.cloud.tasks.v2.Queue.name] cannot be changed.
</pre>

<code>.google.cloud.tasks.v2.Queue queue = 1 [(.google.api.field_behavior) = REQUIRED];</code>
java-tasks/proto-google-cloud-tasks-v2/src/main/java/com/google/cloud/tasks/v2/UpdateQueueRequest.java