code: function eventListener( option, propertyEvent ) {
          option.self = option.self || this;
          return propertyEvent.add( option );
      }
docs: @private
  
  @param  {util.event.EventListener}   option
  @param  {external:Object}            [option.self=this]
  @param  {util.event.__event__|module:EventJS#__event__} propertyEvent
  
  @return {util.event.EventListener}
  
  @memberOf util.event
  
  @see  util.event#eventListener
  @see  module:EventJS.eventListener