code: public ApnsPayloadBuilder setLocalizedAlertTitle(final String localizedAlertTitleKey, final String... alertTitleArguments) {
          this.localizedAlertTitleKey = localizedAlertTitleKey;
          this.localizedAlertTitleArguments = (alertTitleArguments != null && alertTitleArguments.length > 0) ? alertTitleArguments : null;
  
          this.alertTitle = null;
  
          return this;
      }
docs: <p>Sets the key of the title string in the receiving app's localized string list to be shown for the push
  notification. Clears any previously-set literal alert title. The message in the app's string list may optionally
  have placeholders, which will be populated by values from the given {@code alertArguments}.</p>
  
  @param localizedAlertTitleKey a key to a string in the receiving app's localized string list
  @param alertTitleArguments arguments to populate placeholders in the localized alert string; may be {@code null}
  
  @return a reference to this payload builder