@java.lang.Override
  public long getId() {
    return id_;
  }
<pre>
Output only. The unique identifier for the TPU Node.
</pre>

<code>int64 id = 33 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The id.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/Node.java