private void ensureLanguagesIsMutable() {
      if (!((bitField0_ & 0x00000001) != 0)) {
        languages_ =
            new java.util.ArrayList<com.google.cloud.translate.v3beta1.SupportedLanguage>(
                languages_);
        bitField0_ |= 0x00000001;
      }
    }
<pre>
The response message for discovering supported languages.
</pre>

Protobuf type {@code google.cloud.translation.v3beta1.SupportedLanguages}
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/SupportedLanguages.java