src/vs/platform/files/node/watcher/nodejs/nodejsWatcher.ts/NodeJSWatcher/startWatching
class NodeJSWatcher:	private startWatching(request: INonRecursiveWatchRequest): void {

		// Start via node.js lib
		const instance = new NodeJSFileWatcherLibrary(request, changes => this._onDidChangeFile.fire(changes), msg => this._onDidLogMessage.fire(msg), this.verboseLogging);

		// Remember as watcher instance
		const watcher: INodeJSWatcherInstance = { request, instance };
		this.watchers.set(request.path, watcher);
	}