src/vs/workbench/contrib/configExporter/electron-sandbox/configurationExportHelper.ts/DefaultConfigurationExportHelper/writeConfigModel
class DefaultConfigurationExportHelper:	private async writeConfigModel(target: URI): Promise<void> {
		const config = this.getConfigModel();

		const resultString = JSON.stringify(config, undefined, '  ');
		await this.fileService.writeFile(target, VSBuffer.fromString(resultString));
	}