System.DateTime
System.Guid
System.Collections.ObjectModel.Collection`1
System.Collections.ObjectModel.ReadOnlyCollection`1
System.Collections.ObjectModel.KeyedCollection`2
System.IO.Stream
System.IO.Directory
System.IO.DirectoryInfo
System.IO.File
System.IO.FileInfo
System.IO.FileStream
System.IO.MemoryStream
System.IO.TextReader
System.IO.StreamReader
System.IO.TextWriter
System.IO.StreamWriter