change return type do any of methods/properties that can return more than 1 type

Definitions/easeljs-0.5.d.ts

@@ -101,7 +101,7 @@ module createjs {
 
     export class AlphaMaskFilter extends Filter {
         // properties
-        mask: any;    //HERE or HTMLCanvasElement
+        mask: any;    // HTMLImageElement or HTMLCanvasElement
 
         // methods
         constructor (mask: HTMLImageElement);
@@ -112,7 +112,7 @@ module createjs {
 
     export class Bitmap extends DisplayObject {
         // properties
-        image: any;  //HERE how to tell the various type possibilities?
+        image: any;  // HTMLImageElement or HTMLCanvasElement or HTMLVideoElement
         snapToPixel: bool;
         sourceRect: Rectangle;
 
@@ -471,7 +471,7 @@ module createjs {
         spriteSheet: SpriteSheet;
 
         // methods
-        addFrame(source: DisplayObject, sourceRect?: Rectangle, scale?: number, setupFunction?: () => any, setupParams?: any[], setupScope?: Object): number; //HERE returns number or null
+        addFrame(source: DisplayObject, sourceRect?: Rectangle, scale?: number, setupFunction?: () => any, setupParams?: any[], setupScope?: Object): any; //HERE returns number or null
         addMovieClip(source: MovieClip, sourceRect?: Rectangle, scale?: number): void;
         build(): void;
         buildAsync(callback?: (reference: SpriteSheetBuilder) => any, timeSlice?: number): void;

Definitions/soundjs-0.3.d.ts

@@ -45,7 +45,7 @@ module createjs {
         paused: bool;
         playState: string;
         src: string;
-        uniqueId: string;   //HERE string or number
+        uniqueId: any;   //HERE string or number
 
         // methods
         getDuration(): number;
@@ -89,7 +89,7 @@ module createjs {
         // methods
         static checkPlugin(initializeDefault: bool): bool;
         static getCapabilities(): Object;
-        static getCapability(key: string);    //HERE can return string | number | bool
+        static getCapability(key: string): any;    //HERE can return string | number | bool
         static getInstanceById(uniqueId: string): SoundInstance;
         static getMasterVolume(): number;
         static getSrcFromId(value: string): string;