@java.lang.Override
    public com.google.protobuf.ByteString getTargetLanguageCodeBytes() {
      java.lang.Object ref = targetLanguageCode_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        targetLanguageCode_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Required. The BCP-47 language code for translation output, for example,
"zh-CN". Expected to be an exact match for GlossaryTerm.language_code.
</pre>

<code>string target_language_code = 2;</code>

@return The bytes for targetLanguageCode.
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/Glossary.java