enum System.Net.HttpResponseHeader:

   def enum
      CacheControl = 0
      Connection = 1
      Date = 2
      KeepAlive = 3
      Pragma = 4
      Trailer = 5
      TransferEncoding = 6
      Upgrade = 7
      Via = 8
      Warning = 9
      Allow = 10
      ContentLength = 11
      ContentType = 12
      ContentEncoding = 13
      ContentLanguage = 14
      ContentLocation = 15
      ContentMd5 = 16
      ContentRange = 17
      Expires = 18
      LastModified = 19
      AcceptRanges = 20
      Age = 21
      ETag = 22
      Location = 23
      ProxyAuthenticate = 24
      RetryAfter = 25
      Server = 26
      SetCookie = 27
      Vary = 28
      WwwAuthenticate = 29.

end enum.
