text: public virtual ModifyCacheParameterGroupResponse ModifyCacheParameterGroup(ModifyCacheParameterGroupRequest request){var options = new InvokeOptions();options.RequestMarshaller = ModifyCacheParameterGroupRequestMarshaller.Instance;options.ResponseUnmarshaller = ModifyCacheParameterGroupResponseUnmarshaller.Instance;return Invoke<ModifyCacheParameterGroupResponse>(request, options);}