public Builder clearId() {
      bitField0_ = (bitField0_ & ~0x00020000);
      id_ = 0L;
      onChanged();
      return this;
    }
<pre>
Output only. The unique identifier for the TPU Node.
</pre>

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

@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Node.java