mxAutoSaveManager.prototype.save=function(){};mxAutoSaveManager.prototype.graphModelChanged=function(a){a=((new Date).getTime()-this.lastSnapshot)/1E3;a>this.autoSaveDelay||this.ignoredChanges>=this.autoSaveThreshold&&a>this.autoSaveThrottle?(this.save(),this.reset()):this.ignoredChanges++};mxAutoSaveManager.prototype.reset=function(){this.lastSnapshot=(new Date).getTime();this.ignoredChanges=0};mxAutoSaveManager.prototype.destroy=function(){this.setGraph(null)};