/** * @name Timer * @interface */ /** * An engine will call this function if it wants to schedule a function to be called at the next tick. * * @method * @name Timer#nextTick * * @param {function} fn - The function that should be registered. * @return {Opaque} handler */ /** * An engine will call this function if it wants to prevent a scheduled function from being executed. * * @method * @name Timer#cancelTick * * @param {Opaque} handler - The handler returned by {@link Timer#nextTick}. */ /** * Start the timer. * * @method * @name Timer#start * * @param {function} [beginning] - An optional function that will be called before each tick. * @param {function} [ending] - An optional function that will be caled after each tick. */ /** * Stop the timer. * * @method * @name Timer#stop */