src/vs/workbench/contrib/files/browser/views/explorerViewer.ts/ExplorerDataSource/constructor
class ExplorerDataSource:	constructor(
		@IProgressService private readonly progressService: IProgressService,
		@INotificationService private readonly notificationService: INotificationService,
		@IWorkbenchLayoutService private readonly layoutService: IWorkbenchLayoutService,
		@IFileService private readonly fileService: IFileService,
		@IExplorerService private readonly explorerService: IExplorerService,
		@IWorkspaceContextService private readonly contextService: IWorkspaceContextService
	) { }