docs: public void marshall(UpdateIntegrationRequest updateIntegrationRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateIntegrationRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateIntegrationRequest.getApiId(), APIID_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getConnectionId(), CONNECTIONID_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getConnectionType(), CONNECTIONTYPE_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getContentHandlingStrategy(), CONTENTHANDLINGSTRATEGY_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getCredentialsArn(), CREDENTIALSARN_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getIntegrationId(), INTEGRATIONID_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getIntegrationMethod(), INTEGRATIONMETHOD_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getIntegrationType(), INTEGRATIONTYPE_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getIntegrationUri(), INTEGRATIONURI_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getPassthroughBehavior(), PASSTHROUGHBEHAVIOR_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getRequestParameters(), REQUESTPARAMETERS_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getRequestTemplates(), REQUESTTEMPLATES_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getTemplateSelectionExpression(), TEMPLATESELECTIONEXPRESSION_BINDING);
              protocolMarshaller.marshall(updateIntegrationRequest.getTimeoutInMillis(), TIMEOUTINMILLIS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }