* When an asynchronous operation is initiated or completes a callback is called to notify the user.
* The before callback is called just before said callback is executed.
* @param asyncId the unique identifier assigned to the resource about to execute the callback.
*/
before?(asyncId:number):void;
/**
* Called immediately after the callback specified in before is completed.
* @param asyncId the unique identifier assigned to the resource which has executed the callback.
*/
after?(asyncId:number):void;
/**
* Called when a promise has resolve() called. This may not be in the same execution id
* as the promise itself.
* @param asyncId the unique id for the promise that was resolve()d.
*/
promiseResolve?(asyncId:number):void;
/**
* Called after the resource corresponding to asyncId is destroyed
* @param asyncId a unique ID for the async resource
*/
destroy?(asyncId:number):void;
}
interfaceAsyncHook{
/**
* Enable the callbacks for a given AsyncHook instance. If no callbacks are provided enabling is a noop.
*/
enable():this;
/**
* Disable the callbacks for a given AsyncHook instance from the global pool of AsyncHook callbacks to be executed. Once a hook has been disabled it will not be called again until enabled.
*/
disable():this;
}
/**
* Registers functions to be called for different lifetime events of each async operation.
* @param options the callbacks to register
* @return an AsyncHooks instance used for disabling and enabling hooks
