docs: public void marshall(ApplyPendingMaintenanceActionRequest applyPendingMaintenanceActionRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (applyPendingMaintenanceActionRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(applyPendingMaintenanceActionRequest.getReplicationInstanceArn(), REPLICATIONINSTANCEARN_BINDING);
              protocolMarshaller.marshall(applyPendingMaintenanceActionRequest.getApplyAction(), APPLYACTION_BINDING);
              protocolMarshaller.marshall(applyPendingMaintenanceActionRequest.getOptInType(), OPTINTYPE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }