code: public void marshall(Association association, ProtocolMarshaller protocolMarshaller) {
  
          if (association == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(association.getName(), NAME_BINDING);
              protocolMarshaller.marshall(association.getInstanceId(), INSTANCEID_BINDING);
              protocolMarshaller.marshall(association.getAssociationId(), ASSOCIATIONID_BINDING);
              protocolMarshaller.marshall(association.getAssociationVersion(), ASSOCIATIONVERSION_BINDING);
              protocolMarshaller.marshall(association.getDocumentVersion(), DOCUMENTVERSION_BINDING);
              protocolMarshaller.marshall(association.getTargets(), TARGETS_BINDING);
              protocolMarshaller.marshall(association.getLastExecutionDate(), LASTEXECUTIONDATE_BINDING);
              protocolMarshaller.marshall(association.getOverview(), OVERVIEW_BINDING);
              protocolMarshaller.marshall(association.getScheduleExpression(), SCHEDULEEXPRESSION_BINDING);
              protocolMarshaller.marshall(association.getAssociationName(), ASSOCIATIONNAME_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.