text: public virtual ModifyClusterSubnetGroupResponse ModifyClusterSubnetGroup(ModifyClusterSubnetGroupRequest request){var options = new InvokeOptions();options.RequestMarshaller = ModifyClusterSubnetGroupRequestMarshaller.Instance;options.ResponseUnmarshaller = ModifyClusterSubnetGroupResponseUnmarshaller.Instance;return Invoke<ModifyClusterSubnetGroupResponse>(request, options);}