public Builder mergeStreamingFeatures(
        com.google.cloud.speech.v2.StreamingRecognitionFeatures value) {
      if (streamingFeaturesBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && streamingFeatures_ != null
            && streamingFeatures_
                != com.google.cloud.speech.v2.StreamingRecognitionFeatures.getDefaultInstance()) {
          getStreamingFeaturesBuilder().mergeFrom(value);
        } else {
          streamingFeatures_ = value;
        }
      } else {
        streamingFeaturesBuilder_.mergeFrom(value);
      }
      if (streamingFeatures_ != null) {
        bitField0_ |= 0x00000004;
        onChanged();
      }
      return this;
    }
<pre>
Speech recognition features to enable specific to streaming audio
recognition requests.
</pre>

<code>.google.cloud.speech.v2.StreamingRecognitionFeatures streaming_features = 2;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/StreamingRecognitionConfig.java