docs: public void marshall(StartMatchBackfillRequest startMatchBackfillRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (startMatchBackfillRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(startMatchBackfillRequest.getTicketId(), TICKETID_BINDING);
              protocolMarshaller.marshall(startMatchBackfillRequest.getConfigurationName(), CONFIGURATIONNAME_BINDING);
              protocolMarshaller.marshall(startMatchBackfillRequest.getGameSessionArn(), GAMESESSIONARN_BINDING);
              protocolMarshaller.marshall(startMatchBackfillRequest.getPlayers(), PLAYERS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }