function Xa(a){this.Init(a)}v("AdfBeforeUnloadEvent",Xa);z.l(Xa,ia);Xa.ga="beforeunload";v("AdfBeforeUnloadEvent.EVENT_TYPE",Xa.ga);Xa.prototype.Init=function(a){B.J(a,J);Xa.f.Init.call(this,a,Xa.ga);this.QAa=k};z.a("AdfBeforeUnloadEvent.prototype.Init",{Init:Xa.prototype.Init});Xa.prototype.v0=r("QAa");z.a("AdfBeforeUnloadEvent.prototype.getWarningMessage",{v0:Xa.prototype.v0});Xa.prototype.U1=da("QAa");z.a("AdfBeforeUnloadEvent.prototype.setWarningMessage",{U1:Xa.prototype.U1});