public String getUserId() {
    if (user == null) {
      return null;
    } else {
      return user.id == null ? user.nsid : user.id;
    }
  }
public String getUserId ( ) { if ( user == null ) { return null ; } else { return user . id == null ? user . nsid : user . id ; } }
This parameter is set by the method {@link net.jeremybrooks.jinx.api.UrlsApi#lookupUser(String)},
{@link net.jeremybrooks.jinx.api.UrlsApi#getUserPhotos(String)} and
{@link net.jeremybrooks.jinx.api.UrlsApi#getUserProfile(String)}.

@return the user id, AKD NSID.