code: @Override
      protected Connection createAsyncConnection(Dsn dsn, Connection connection) {
          String connectionIdentifier = Lookup.lookup(CONNECTION_IDENTIFIER, dsn);
          if (connectionIdentifier == null) {
              connectionIdentifier = AppEngineSentryClientFactory.class.getCanonicalName()
                  + dsn + SystemProperty.version.get();
          }
  
          AppEngineAsyncConnection asyncConnection = new AppEngineAsyncConnection(connectionIdentifier, connection);
  
          String queueName = Lookup.lookup(QUEUE_NAME, dsn);
          if (queueName != null) {
              asyncConnection.setQueue(queueName);
          }
  
          return asyncConnection;
      }
docs: Encapsulates an already existing connection in an {@link AppEngineAsyncConnection} and get the async options
  from the Sentry DSN.
  
  @param dsn        Data Source Name of the Sentry server.
  @param connection Connection to encapsulate in an {@link AppEngineAsyncConnection}.
  @return the asynchronous connection.