/** Overrides the default values of visual properties for descendant * [AppBar] widgets. * * Descendant widgets obtain the current [AppBarTheme] object with * `AppBarTheme.of(context)`. Instances of [AppBarTheme] can be customized * with [AppBarTheme.copyWith]. * * Typically an [AppBarTheme] is specified as part of the overall [Theme] with * [ThemeData.appBarTheme]. * * All [AppBarTheme] properties are `null` by default. When null, the [AppBar] * compute its own default values, typically based on the overall theme's * [ThemeData.colorScheme], [ThemeData.textTheme], and [ThemeData.iconTheme]. */ declare class AppTheme { } export { AppTheme };