@java.lang.Override
    public boolean hasLanguageCodesSet() {
      return languagesCase_ == 4;
    }
<pre>
Used with equivalent term set glossaries.
</pre>

<code>.google.cloud.translation.v3.Glossary.LanguageCodesSet language_codes_set = 4;</code>

@return Whether the languageCodesSet field is set.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/Glossary.java