532     def __getitem__(self, key):  argument
546     def getvalue(self, key, default=None):  argument
557     def getfirst(self, key, default=None):  argument
568     def getlist(self, key):  argument
585     def has_key(self, key):  argument
591     def __contains__(self, key):  argument
815     def __getitem__(self, key):  argument
819     def getlist(self, key):  argument
839     def __getitem__(self, key):  argument
867     def values(self, key):  argument
870     def indexed_value(self, key, location):  argument
876     def value(self, key):  argument
879     def length(self, key):  argument
881     def stripped(self, key):  argument