@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      for (int i = 0; i < referenceSentencePairLists_.size(); i++) {
        output.writeMessage(1, referenceSentencePairLists_.get(i));
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(sourceLanguageCode_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, sourceLanguageCode_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(targetLanguageCode_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, targetLanguageCode_);
      }
      getUnknownFields().writeTo(output);
    }
<pre>
Target language code.
</pre>

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

@return The bytes for targetLanguageCode.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/AdaptiveMtTranslateRequest.java