<s> from muntjac . data import container <EOL> class ICollapsible ( container . IHierarchical , container . IOrdered ) : <EOL> """<STR_LIT>""" <EOL> def setCollapsed ( self , itemId , collapsed ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> def isCollapsed ( self , itemId ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError </s>
