src/vs/platform/log/common/logIpc.ts/LoggerChannel/log
class LoggerChannel:	private log(file: URI, messages: [LogLevel, string][]): void {
		const logger = this.loggers.get(file.toString());
		if (!logger) {
			throw new Error('Create the logger before logging');
		}
		for (const [level, message] of messages) {
			log(logger, level, message);
		}
	}