Dart APIunself_componentUnmojiTextmaxLines maxLines property Null safety int? maxLines final Maximal lines to be rendered Implementation final int? maxLines; unself_component unself_component UnmojiText maxLines property UnmojiText class Constructors UnmojiText Properties emojiFontMultiplier hashCode key maxLines runtimeType style text twemojiFormat Methods build createElement debugDescribeChildren debugFillProperties noSuchMethod toDiagnosticsNode toString toStringDeep toStringShallow toStringShort Operators operator ==