src/vs/platform/files/common/diskFileSystemProvider.ts/AbstractDiskFileSystemProvider/refreshUniversalWatchers
class AbstractDiskFileSystemProvider:	private refreshUniversalWatchers(): void {

		// Buffer requests for universal watching to decide on right watcher
		// that supports potentially watching more than one path at once
		this.universalWatchRequestDelayer.trigger(() => {
			return this.doRefreshUniversalWatchers();
		}).catch(error => onUnexpectedError(error));
	}