Dart APIunself_styleUnFontSizesdisplayMedium displayMedium constant Null safety double const displayMedium Implementation static const displayMedium = 45 + .0; unself_style unself_style UnFontSizes displayMedium constant UnFontSizes class Constructors UnFontSizes Properties hashCode runtimeType Methods noSuchMethod toString Operators operator == Constants bodyLarge bodyMedium bodySmall displayLarge displayMedium displaySmall headlineLarge headlineMedium headlineSmall labelLarge labelMedium labelSmall titleLarge titleMedium titleSmall