public final A language(String language) {
    return param("language", language);
  }
The language in which to return results. Note that we often update supported languages so this
list may not be exhaustive.

@param language The language code, e.g. "en-AU" or "es".
@see <a href="https://developers.google.com/maps/faq#languagesupport">List of supported domain
    languages</a>
@return Returns the request for call chaining.
src/main/java/com/google/maps/PendingResultBase.java