code: public void marshall(UpdateFunctionConfigurationRequest updateFunctionConfigurationRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateFunctionConfigurationRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getFunctionName(), FUNCTIONNAME_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getRole(), ROLE_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getHandler(), HANDLER_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getTimeout(), TIMEOUT_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getMemorySize(), MEMORYSIZE_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getVpcConfig(), VPCCONFIG_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getEnvironment(), ENVIRONMENT_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getRuntime(), RUNTIME_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getDeadLetterConfig(), DEADLETTERCONFIG_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getKMSKeyArn(), KMSKEYARN_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getTracingConfig(), TRACINGCONFIG_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getRevisionId(), REVISIONID_BINDING);
              protocolMarshaller.marshall(updateFunctionConfigurationRequest.getLayers(), LAYERS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.