public static com.google.cloud.translate.v3beta1.Glossary.LanguageCodePair parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
<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