protected override Task<IEnumerable<IFileInfo>> GetFileEntriesAsync() {
if (_extractor == null) throw new Exception(ToolsStrings.ArchiveInstallator_InitializationFault);
return Task.FromResult(_extractor.Entries.Where(x => !x.FullName.EndsWith("\\") && !x.FullName.EndsWith("/"))
.Select(x => (IFileInfo)new ArchiveFileInfo(x)));
}