src/vs/workbench/api/node/extHostOutputService.ts/OutputAppender/create
class OutputAppender:	static async create(name: string, file: string): Promise<OutputAppender> {
		const appender = await createRotatingLogger(name, file, 30 * ByteSize.MB, 1);
		appender.clearFormatters();

		return new OutputAppender(name, file, appender);
	}