enum System.Security.Principal.TokenAccessLevels flags:

   def enum
      AssignPrimary = 1
      Duplicate = 2
      Impersonate = 4
      Query = 8
      QuerySource = 16
      AdjustPrivileges = 32
      AdjustGroups = 64
      AdjustDefault = 128
      AdjustSessionId = 256
      Read = 131080
      Write = 131296
      AllAccess = 983551
      MaximumAllowed = 33554432.

end enum.
