object
method flags : (Netsys_gssapi.req_flag * Netsys_gssapi.support_level) list
method initiator_cred : exn option
method initiator_name : (string * Netsys_gssapi.oid) option
method integrity : Netsys_gssapi.support_level
method mech_type : Netsys_gssapi.oid
method privacy : Netsys_gssapi.support_level
method target_name : (string * Netsys_gssapi.oid) option
end