code: void showNotification(final String styleName, final String caption, final String description,
              final Boolean autoClose) {
          decorate(styleName, caption, description, autoClose);
          this.show(Page.getCurrent());
      }
docs: Notification message component.
  
  @param styleName
  style name of message
  @param caption
  message caption
  @param description
  message description
  @param autoClose
  flag to indicate enable close option