code: public final void setIconType(NotifyIconType iconType) {
          setIconType((iconType != null) ? iconType.getType() : NotifyIconType.CLASS.getType());
      }
docs: Set icon type you will use for Notify. Default is 'class', which
  allows to use iconic fonts like FontAwesome.
  If you want to use images instead of class, set value to "image".<br>
  <br>
  Defaults to {@link NotifyIconType#CLASS}.
  
  @param iconType the icon type
  @see NotifyIconType