package js.html; typedef IAudioParamMap = { function forEach(callbackfn:(value:js.html.audio.AudioParam, key:String, parent:AudioParamMap) -> Void, ?thisArg:Dynamic):Void; function get(key:String):Null; function has(key:String):Bool; final size : Float; /** Returns an iterable of key, value pairs for every entry in the map. **/ function entries():js.lib.IterableIterator>; /** Returns an iterable of keys in the map **/ function keys():js.lib.IterableIterator; /** Returns an iterable of values in the map **/ function values():js.lib.IterableIterator; };