@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(feature_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, feature_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(releaseState_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, releaseState_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
The release state of the feature
</pre>

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

@return The bytes for releaseState.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/ModelFeature.java