Enum SeekOrigin
	Begin
	Current
	End
End Enum

Interface Stream
	Function CanRead() As Boolean
	Function CanSeek() As Boolean
	Function CanTimeout() As Boolean
	Function CanWrite() As Boolean
	Function Length() As Int64
	Sub Position(value As Int64)
	Function Position() As Int64
	Sub ReadTimeout(value As Long)
	Function ReadTimeout() As Long
	Sub WriteTimeout(value As Long)
	Function WriteTimeout() As Long
	Sub Close()
	Sub Flush()
	Function Read(ByRef buffer[] As Byte, offset As Long, count As Long) As Long
	Function ReadByte() As Long
	Function Seek(offset As Long, origin As SeekOrigin) As Long
	Sub SetLength(value As Int64)
	Sub Write (ByRef buffer[] As Byte, offset As Long, count As Long)
	Sub WriteByte(value As Byte)
End Interface