src/vs/workbench/api/node/extHostLoggerService.ts/ExtHostLoggerService/doCreateLogger
class ExtHostLoggerService:	protected override doCreateLogger(resource: URI, logLevel: LogLevel, options?: ILoggerOptions): ILogger {
		if (resource.scheme === Schemas.file) {
			/* Create the logger in the Extension Host process to prevent loggers (log, output channels...) traffic  over IPC */
			return new SpdLogLogger(options?.name || generateUuid(), resource.fsPath, !options?.donotRotate, !!options?.donotUseFormatters, logLevel);
		}
		return super.doCreateLogger(resource, logLevel, options);
	}