src/vs/platform/userDataSync/common/abstractSynchronizer.ts/AbstractFileSynchroniser/constructor
class AbstractFileSynchroniser:	constructor(
		protected readonly file: URI,
		syncResource: IUserDataSyncResource,
		collection: string | undefined,
		@IFileService fileService: IFileService,
		@IEnvironmentService environmentService: IEnvironmentService,
		@IStorageService storageService: IStorageService,
		@IUserDataSyncStoreService userDataSyncStoreService: IUserDataSyncStoreService,
		@IUserDataSyncBackupStoreService userDataSyncBackupStoreService: IUserDataSyncBackupStoreService,
		@IUserDataSyncEnablementService userDataSyncEnablementService: IUserDataSyncEnablementService,
		@ITelemetryService telemetryService: ITelemetryService,
		@IUserDataSyncLogService logService: IUserDataSyncLogService,
		@IConfigurationService configurationService: IConfigurationService,
		@IUriIdentityService uriIdentityService: IUriIdentityService,
	) {
		super(syncResource, collection, fileService, environmentService, storageService, userDataSyncStoreService, userDataSyncBackupStoreService, userDataSyncEnablementService, telemetryService, logService, configurationService, uriIdentityService);
		this._register(this.fileService.watch(this.extUri.dirname(file)));
		this._register(this.fileService.onDidFilesChange(e => this.onFileChanges(e)));
	}