src/vs/platform/policy/common/filePolicyService.ts/FilePolicyService/constructor
class FilePolicyService:	constructor(
		private readonly file: URI,
		@IFileService private readonly fileService: IFileService,
		@ILogService private readonly logService: ILogService
	) {
		super();

		const onDidChangePolicyFile = Event.filter(fileService.onDidFilesChange, e => e.affects(file));
		this._register(fileService.watch(file));
		this._register(onDidChangePolicyFile(() => this.throttledDelayer.trigger(() => this.refresh())));
	}