public Builder clearReleaseState() {
      releaseState_ = getDefaultInstance().getReleaseState();
      bitField0_ = (bitField0_ & ~0x00000002);
      onChanged();
      return this;
    }
<pre>
The release state of the feature
</pre>

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

@return This builder for chaining.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/ModelFeature.java