@java.lang.Override
  public com.google.protobuf.ByteString getMethodNameBytes() {
    java.lang.Object ref = methodName_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      methodName_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Fully qualified name of the API method being invoked to perform
predictions.

Format:
`/namespace.Service/Method/`
Example:
`/tensorflow.serving.PredictionService/Predict`
</pre>

<code>string method_name = 2;</code>

@return The bytes for methodName.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamingRawPredictRequest.java