namespace Sandbox.UI; public partial class Panel : IStyleTarget { string IStyleTarget.ElementName => ElementName; string IStyleTarget.Id => Id; PseudoClass IStyleTarget.PseudoClass => PseudoClass; IStyleTarget IStyleTarget.Parent => Parent; IReadOnlyList IStyleTarget.Children => _children?.AsReadOnly(); bool IStyleTarget.HasClasses( string[] classes ) => HasClasses( classes ); int IStyleTarget.SiblingIndex => SiblingIndex; }