@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(queuedResourceId_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, queuedResourceId_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(3, getQueuedResource());
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(requestId_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, requestId_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Idempotent request UUID.
</pre>

<code>string request_id = 4;</code>

@return The bytes for requestId.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/CreateQueuedResourceRequest.java