38     def __str__(cls):  argument
44     def cow(cls):  argument
53     def __setitem__(cls, key, value):  argument
60     def __getmutable__(cls, key, readonly=False):  argument
82     def __getreadonly__(cls, key, default=__getmarker__):  argument
88     def __getitem__(cls, key, default=__getmarker__, readonly=False):  argument
106     def __delitem__(cls, key):  argument
109     def __revertitem__(cls, key):  argument
114     def __contains__(cls, key):  argument
117     def has_key(cls, key):  argument
123     def iter(cls, type, readonly=False):  argument
148     def iterkeys(cls):  argument
151     def itervalues(cls, readonly=False):  argument
156     def iteritems(cls, readonly=False):  argument
163     def __str__(cls):  argument
169     def cow(cls):  argument
175     def add(cls, value):  argument
178     def remove(cls, value):  argument
181     def __in__(cls, value):  argument
184     def iterkeys(cls):  argument
187     def iteritems(cls):  argument