text: define(["core_message/message_area_events"],function(a){function b(a){this.messageArea=a}var c={MESSAGES:"[data-region='messages']"};return b.prototype.messageArea=null,b.prototype.chooseMessagesToDelete=function(){0!==this.messageArea.find(c.MESSAGES).length&&this.messageArea.trigger(a.CHOOSEMESSAGESTODELETE)},b});