text: public virtual ModifyDBClusterParameterGroupResponse ModifyDBClusterParameterGroup(ModifyDBClusterParameterGroupRequest request){var options = new InvokeOptions();options.RequestMarshaller = ModifyDBClusterParameterGroupRequestMarshaller.Instance;options.ResponseUnmarshaller = ModifyDBClusterParameterGroupResponseUnmarshaller.Instance;return Invoke<ModifyDBClusterParameterGroupResponse>(request, options);}