/**

* Allows you to capture the frames-per-second metrics of your application.

*/

declare module "fps-meter" {

/**

* Starts the frames-per-second meter.

*/

export function start(): void;

/**

* Stops the frames-per-second meter.

*/

export function stop(): void;

/**

* Returns a valid indicating whether the frames-per-second meter is currently running.

*/

export function running(): boolean;

/**

* Adds a callback function to be called each time FPS data is due to be reported. Returns an unique id which can be used to remove this callback later.

*/

export function addCallback(callback: (fps: number, minFps?: number) => void): number;

/**

* Removes the callback with the specified id.

*/

export function removeCallback(id: number);

}