code: public void marshall(ConfigurationItem configurationItem, ProtocolMarshaller protocolMarshaller) {
  
          if (configurationItem == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(configurationItem.getVersion(), VERSION_BINDING);
              protocolMarshaller.marshall(configurationItem.getAccountId(), ACCOUNTID_BINDING);
              protocolMarshaller.marshall(configurationItem.getConfigurationItemCaptureTime(), CONFIGURATIONITEMCAPTURETIME_BINDING);
              protocolMarshaller.marshall(configurationItem.getConfigurationItemStatus(), CONFIGURATIONITEMSTATUS_BINDING);
              protocolMarshaller.marshall(configurationItem.getConfigurationStateId(), CONFIGURATIONSTATEID_BINDING);
              protocolMarshaller.marshall(configurationItem.getConfigurationItemMD5Hash(), CONFIGURATIONITEMMD5HASH_BINDING);
              protocolMarshaller.marshall(configurationItem.getArn(), ARN_BINDING);
              protocolMarshaller.marshall(configurationItem.getResourceType(), RESOURCETYPE_BINDING);
              protocolMarshaller.marshall(configurationItem.getResourceId(), RESOURCEID_BINDING);
              protocolMarshaller.marshall(configurationItem.getResourceName(), RESOURCENAME_BINDING);
              protocolMarshaller.marshall(configurationItem.getAwsRegion(), AWSREGION_BINDING);
              protocolMarshaller.marshall(configurationItem.getAvailabilityZone(), AVAILABILITYZONE_BINDING);
              protocolMarshaller.marshall(configurationItem.getResourceCreationTime(), RESOURCECREATIONTIME_BINDING);
              protocolMarshaller.marshall(configurationItem.getTags(), TAGS_BINDING);
              protocolMarshaller.marshall(configurationItem.getRelatedEvents(), RELATEDEVENTS_BINDING);
              protocolMarshaller.marshall(configurationItem.getRelationships(), RELATIONSHIPS_BINDING);
              protocolMarshaller.marshall(configurationItem.getConfiguration(), CONFIGURATION_BINDING);
              protocolMarshaller.marshall(configurationItem.getSupplementaryConfiguration(), SUPPLEMENTARYCONFIGURATION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.