src/vs/workbench/services/configuration/browser/configuration.ts/FileServiceBasedWorkspaceConfiguration/watchWorkspaceConfigurationFile
class FileServiceBasedWorkspaceConfiguration:	private watchWorkspaceConfigurationFile(): IDisposable {
		return this._workspaceIdentifier ? this.fileService.watch(this._workspaceIdentifier.configPath) : Disposable.None;
	}