src/vs/platform/files/node/watcher/parcel/parcelWatcher.ts/ParcelWatcher/stopWatching
class ParcelWatcher:	private async stopWatching(path: string): Promise<void> {
		const watcher = this.watchers.get(path);
		if (watcher) {
			this.trace(`stopping file watcher on ${watcher.request.path}`);

			this.watchers.delete(path);

			try {
				await watcher.stop();
			} catch (error) {
				this.error(`Unexpected error stopping watcher: ${toErrorMessage(error)}`, watcher);
			}
		}
	}