class _Appdata { final _Settings settings = _Settings(); } final appdata = _Appdata(); class _Settings { _Settings(); final _data = { 'comicDisplayMode': 'detailed', // detailed, brief 'comicTileScale': 1.0, // 0.8-1.2 'color': 'blue', // red, pink, purple, green, orange, blue 'theme_mode': 'system', // light, dark, system 'newFavoriteAddTo': 'end', // start, end 'moveFavoriteAfterRead': 'none', // none, end, start 'proxy': 'direct', // direct, system, proxy string }; operator[](String key) { return _data[key]; } }