code: public void setTitleText(final String title, final Serializable... args) {
  		Serializable currTitle = getComponentModel().title;
  		Serializable titleToBeSet = I18nUtilities.asMessage(title, args);
  
  		if (!Objects.equals(titleToBeSet, currTitle)) {
  			MessageModel model = getOrCreateComponentModel();
  			model.title = titleToBeSet;
  		}
  	}
docs: Sets the message box title.
  
  @param title the message box title to set, using {@link MessageFormat} syntax.
  @param args optional arguments for the message format string.