src/vs/workbench/services/workspaces/browser/abstractWorkspaceEditingService.ts/AbstractWorkspaceEditingService/askToOpenWorkspaceConfigurationFile
class AbstractWorkspaceEditingService:	private askToOpenWorkspaceConfigurationFile(message: string): void {
		this.notificationService.prompt(Severity.Error, message,
			[{
				label: localize('openWorkspaceConfigurationFile', "Open Workspace Configuration"),
				run: () => this.commandService.executeCommand('workbench.action.openWorkspaceConfigFile')
			}]
		);
	}