public static com.google.cloud.storagebatchoperations.v1.CreateJobRequest parseFrom(
      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
<pre>
Optional. An optional request ID to identify requests. Specify a unique
request ID in case you need to retry your request. Requests with same
`request_id` will be ignored for at least 60 minutes since the first
request. The request ID must be a valid UUID with the exception that zero
UUID is not supported (00000000-0000-0000-0000-000000000000).
</pre>

<code>string request_id = 4 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for requestId.
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/CreateJobRequest.java