src/vs/platform/log/node/loggerService.ts/LoggerService/doCreateLogger
class LoggerService:	protected doCreateLogger(resource: URI, logLevel: LogLevel, options?: ILoggerOptions): ILogger {
		if (resource.scheme === Schemas.file) {
			const logger = new SpdLogLogger(options?.name || generateUuid(), resource.fsPath, !options?.donotRotate, logLevel);
			if (options?.donotUseFormatters) {
				(<SpdLogLogger>logger).clearFormatters();
			}
			return logger;
		} else {
			return new FileLogger(options?.name ?? basename(resource), resource, logLevel, this.fileService);
		}
	}