define(function(){functionaddGetHookIf(conditionFn,hookFn){// Define the hook, we'll check on the first run if it's really needed.return{get:function(){if(conditionFn()){// Hook not needed (or it's not possible to use it due// to missing dependency), remove it.deletethis.get;return;}// Hook needed; redefine it so that the support test is not executed again.return(this.get=hookFn).apply(this,arguments);}};}returnaddGetHookIf;});