namespace System.ComponentModel.Composition.Hosting
{
    public class DeploymentCatalog : ComposablePartCatalog, INotifyComposablePartCatalogChanged
    {
        public DeploymentCatalog();
        public DeploymentCatalog(string uri);
        public DeploymentCatalog(Uri uri);
        public override IQueryable<ComposablePartDefinition> Parts { get; }
        public Uri Uri { get; }
 
        #region INotifyComposablePartCatalogChanged Members
 
        public event EventHandler<ComposablePartCatalogChangeEventArgs> Changed;
        public event EventHandler<ComposablePartCatalogChangeEventArgs> Changing;
 
        #endregion
 
        public override IEnumerable<Tuple<ComposablePartDefinition, ExportDefinition>> GetExports(
            ImportDefinition definition);
 
        public void CancelAsync();
        public void DownloadAsync();
        protected virtual void OnChanged(ComposablePartCatalogChangeEventArgs e);
        protected virtual void OnChanging(ComposablePartCatalogChangeEventArgs e);
        protected virtual void OnDownloadCompleted(AsyncCompletedEventArgs e);
        protected virtual void OnDownloadProgressChanged(DownloadProgressChangedEventArgs e);
        protected override void Dispose(bool disposing);
        public event EventHandler<AsyncCompletedEventArgs> DownloadCompleted;
        public event EventHandler<DownloadProgressChangedEventArgs> DownloadProgressChanged;
    }
}