void set_buffer(const boost::unordered_map<model_column::ID::type, ModelColumns>& buffer);
void get_buffer(boost::unordered_map<model_column::ID::type, ModelColumns>& buffer) const;
const ModelColumns& get_model_columns(size_t row_index) const;
+ void update_row(const ModelColumns& record);
protected:
ThreadListModel();