docs: public void marshall(ListBackupPlanVersionsRequest listBackupPlanVersionsRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (listBackupPlanVersionsRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(listBackupPlanVersionsRequest.getBackupPlanId(), BACKUPPLANID_BINDING);
              protocolMarshaller.marshall(listBackupPlanVersionsRequest.getNextToken(), NEXTTOKEN_BINDING);
              protocolMarshaller.marshall(listBackupPlanVersionsRequest.getMaxResults(), MAXRESULTS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }