var AdfCheckpoint=window.AdfCheckpoint,_needsPStub=void 0==AdfCheckpoint,newFunc=function(a,b){},AdfCheckpoint=_needsPStub?newFunc:AdfCheckpoint;AdfCheckpoint.prototype.setDescription=_needsPStub?function(a){}:AdfCheckpoint.prototype.setDescription;AdfCheckpoint.prototype.getDescription=_needsPStub?function(){}:AdfCheckpoint.prototype.getDescription;AdfCheckpoint.prototype.start=_needsPStub?function(a,b){}:AdfCheckpoint.prototype.start;AdfCheckpoint.prototype.stop=_needsPStub?function(a){}:AdfCheckpoint.prototype.stop;
AdfCheckpoint.getCheckpoint=_needsPStub?function(a,b){return new AdfCheckpoint(a,b)}:AdfCheckpoint.getCheckpoint;