public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }
<pre>
Language code for `description` in BCP-47 format.
</pre>

<code>string language_code = 3;</code>

@return The bytes for languageCode.
java-video-intelligence/proto-google-cloud-video-intelligence-v1beta2/src/main/java/com/google/cloud/videointelligence/v1beta2/Entity.java