public Builder setMethodNameBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      methodName_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<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>

@param value The bytes for methodName to set.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DirectRawPredictRequest.java