| Type | Reason |
|---|---|
| IMarkupExtension | Defines the interface for Xamarin.Forms XAML markup extensions. |
| IProvideValueTarget | Interface that defines a target and property to which a value is provided. |
| IRootObjectProvider | Interface that defines the ability to return a root object, for instance, the top-level Xamarin.Forms.View in a layout. |
| IXamlTypeResolver | Interface defining the ability to resolve a qualified type name into a Type. |
| XamlParseException | Exception that is thrown when the XAML parser encounters an error. |