mxAutoSaveManager.prototype.lastSnapshot=0;mxAutoSaveManager.prototype.enabled=!0;mxAutoSaveManager.prototype.changeHandler=null;mxAutoSaveManager.prototype.isEnabled=function(){return this.enabled};mxAutoSaveManager.prototype.setEnabled=function(a){this.enabled=a};mxAutoSaveManager.prototype.setGraph=function(a){null!=this.graph&&this.graph.getModel().removeListener(this.changeHandler);this.graph=a;null!=this.graph&&this.graph.getModel().addListener(mxEvent.CHANGE,this.changeHandler)};