@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(entityId_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, entityId_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, description_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(languageCode_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, languageCode_);
    }
    getUnknownFields().writeTo(output);
  }
<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-v1p2beta1/src/main/java/com/google/cloud/videointelligence/v1p2beta1/Entity.java