/// declare module BABYLON.Tools { function QueueNewFrame(func: Function): void; function RequestFullscreen(element: HTMLElement): void; function ExitFullscreen(): void; var BaseUrl: string; function LoadFile(url: string, callback: Function, progressCallback: Function): void; function WithinEpsilon(a: number, b: number); function DeepCopy(source: Object, destination: Object, doNotCopyList: string[], mustCopyList: string[]); function GetFps(): number; function GetDeltaTime(): number; function _MeasureFps(): void; }