public static com.google.cloud.videointelligence.v1.SpeechTranscription parseFrom(
      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
<pre>
Output only. The [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt)
language tag of the language in this result. This language code was
detected to have the most likelihood of being spoken in the audio.
</pre>

<code>string language_code = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The bytes for languageCode.
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/SpeechTranscription.java