code: public void marshall(UpdateDevEndpointRequest updateDevEndpointRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateDevEndpointRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateDevEndpointRequest.getEndpointName(), ENDPOINTNAME_BINDING);
              protocolMarshaller.marshall(updateDevEndpointRequest.getPublicKey(), PUBLICKEY_BINDING);
              protocolMarshaller.marshall(updateDevEndpointRequest.getAddPublicKeys(), ADDPUBLICKEYS_BINDING);
              protocolMarshaller.marshall(updateDevEndpointRequest.getDeletePublicKeys(), DELETEPUBLICKEYS_BINDING);
              protocolMarshaller.marshall(updateDevEndpointRequest.getCustomLibraries(), CUSTOMLIBRARIES_BINDING);
              protocolMarshaller.marshall(updateDevEndpointRequest.getUpdateEtlLibraries(), UPDATEETLLIBRARIES_BINDING);
              protocolMarshaller.marshall(updateDevEndpointRequest.getDeleteArguments(), DELETEARGUMENTS_BINDING);
              protocolMarshaller.marshall(updateDevEndpointRequest.getAddArguments(), ADDARGUMENTS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.