6547 	EventBus.prototype.on = function(events, priority, callback, that) {  argument
6551 	  if (isFunction(priority)) {
6553 	    callback = priority;
6554 	    priority = DEFAULT_PRIORITY$5;
6557 	  if (!isNumber(priority)) {
6576 	      priority: priority,
6592 	EventBus.prototype.once = function(event, priority, callback, that) {  argument
6595 	  if (isFunction(priority)) {
6597 	    callback = priority;
6598 	    priority = DEFAULT_PRIORITY$5;
6601 	  if (!isNumber(priority)) {
6620 	  this.on(event, priority, wrappedCallback);
6849 	    if (listener.priority < newListener.priority) {
16155 	BaseViewer.prototype.on = function(event, priority, callback, target) {  argument
16156 	  return this.get('eventBus').on(event, priority, callback, target);
16730 	    canvas, textRenderer, priority) {  argument
16732 	  BaseRenderer.call(this, eventBus, priority);
21946 	Keyboard.prototype.addListener = function(priority, listener, type) {  argument
21947 	  if (isFunction(priority)) {
21949 	    listener = priority;
21950 	    priority = DEFAULT_PRIORITY$4;
21953 	  this._eventBus.on(type || KEYDOWN_EVENT, priority, listener);
26560 	CommandInterceptor.prototype.on = function(events, hook, priority, handlerFn, unwrap, that) {  argument
26565 	    handlerFn = priority;
26566 	    priority = hook;
26570 	  if (isFunction(priority)) {
26573 	    handlerFn = priority;
26574 	    priority = DEFAULT_PRIORITY$3;
26597 	    eventBus.on(fullEvent, priority, unwrap ? unwrapEvent(handlerFn, that) : handlerFn, that);
26634 	  CommandInterceptor.prototype[hook] = function(events, priority, handlerFn, unwrap, that) {
26639 	      handlerFn = priority;
26640 	      priority = events;
26644 	    this.on(events, hook, priority, handlerFn, unwrap, that);
27010 	RuleProvider.prototype.addRule = function(actions, priority, fn) {  argument
27020 	    self.canExecute(action, priority, function(context, action, event) {
31216 	ContextPad.prototype.registerProvider = function(priority, provider) {  argument
31218 	    provider = priority;
31219 	    priority = DEFAULT_PRIORITY$2;
31222 	  this._eventBus.on('contextPad.getProviders', priority, function(event) {
32221 	PopupMenu.prototype.registerProvider = function(id, priority, provider) {  argument
32223 	    provider = priority;
32224 	    priority = DEFAULT_PRIORITY$1;
32227 	  this._eventBus.on('popupMenu.getProviders.' + id, priority, function(event) {
32902 	    descriptor.priority = 1;
32917 	      descriptor.priority = 2;
32924 	      descriptor.priority = 3;
32934 	      descriptor.priority = 4;
33331 	    return elementData.descriptor.priority;
54445 	Palette.prototype.registerProvider = function(priority, provider) {  argument
54447 	    provider = priority;
54448 	    priority = DEFAULT_PRIORITY;
54451 	  this._eventBus.on('palette.getProviders', priority, function(event) {