constructor(threadService: IThreadService) {
		super();
		this._proxy = threadService.get(MainContext.MainThreadTask);
		this._handleCounter = 0;
		this._handlers = new Map<number, HandlerData>();
		this._idMaps = new Map<string, UUIDMap>();
	};

	constructor(
		threadService: IThreadService,
		private commands: ExtHostCommands
	) {
		super();

		this._proxy = threadService.get(MainContext.MainThreadExplorers);

		this._extNodeProviders = Object.create(null);
		this._extNodeMaps = Object.create(null);
	}

	constructor(threadService: IThreadService) {
		this._proxy = threadService.get(MainContext.MainThreadMessageService);
	}

	constructor(
		threadService: IThreadService
	) {
		this._proxy = threadService.get(MainContext.MainThreadLanguages);
	}

	constructor(threadService: IThreadService) {
		this._proxy = threadService.get(MainContext.MainThreadTerminalService);
	}

	constructor(name: string, threadService: IThreadService) {
		this._name = name;
		this._proxy = threadService.get(MainContext.MainThreadTelemetry);
	}

	constructor(threadService: IThreadService) {
		super();
		this._proxy = threadService.get(MainContext.MainThreadCredentials);
	};

	constructor(
		threadService: IThreadService
	) {
		this._proxy = threadService.get(SqlMainContext.MainThreadObjectExplorer);
	}

	constructor(threadService: IThreadService) {
		super();
		this._proxy = threadService.get(MainContext.MainThreadQuickOpen);
	}

		Object.keys(expected).forEach((key) => {
			let id = expected[key];
			let value = this._items[id.id];

			if (!value) {
				throw new Error(`Missing actor ${key} (isMain: ${id.isMain}, id:  ${id.id})`);
			}
			threadService.set<any>(id, value);
		});