src/vs/workbench/contrib/configExporter/electron-sandbox/configurationExportHelper.ts/DefaultConfigurationExportHelper/writeConfigModelAndQuit
class DefaultConfigurationExportHelper:	private async writeConfigModelAndQuit(target: URI): Promise<void> {
		try {
			await this.extensionService.whenInstalledExtensionsRegistered();
			await this.writeConfigModel(target);
		} finally {
			this.commandService.executeCommand('workbench.action.quit');
		}
	}