private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tpu.v2.QueuedResource.QueueingPolicy,
            com.google.cloud.tpu.v2.QueuedResource.QueueingPolicy.Builder,
            com.google.cloud.tpu.v2.QueuedResource.QueueingPolicyOrBuilder>
        getQueueingPolicyFieldBuilder() {
      if (queueingPolicyBuilder_ == null) {
        queueingPolicyBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tpu.v2.QueuedResource.QueueingPolicy,
                com.google.cloud.tpu.v2.QueuedResource.QueueingPolicy.Builder,
                com.google.cloud.tpu.v2.QueuedResource.QueueingPolicyOrBuilder>(
                getQueueingPolicy(), getParentForChildren(), isClean());
        queueingPolicy_ = null;
      }
      return queueingPolicyBuilder_;
    }
<pre>
Optional. The queueing policy of the QueuedRequest.
</pre>

<code>
.google.cloud.tpu.v2.QueuedResource.QueueingPolicy queueing_policy = 5 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/QueuedResource.java