@java.lang.Override
  public com.google.cloud.tpu.v2alpha1.DeleteNodeRequest getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
<pre>
Idempotent request UUID.
</pre>

<code>string request_id = 3;</code>

@param value The bytes for requestId to set.
@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/DeleteNodeRequest.java