namespace System.ComponentModel.Composition.Hosting
{
    [DebuggerTypeProxy(typeof(DirectoryCatalogDebuggerProxy))]
    public class DirectoryCatalog : ComposablePartCatalog, INotifyComposablePartCatalogChanged, ICompositionElement
    {
        public event EventHandler<ComposablePartCatalogChangeEventArgs> Changed;
    }
}