def clear(self, regex=None):

        raise NotImplementedError
Return (namespaceURI, name) for a type attribue of the given
dataset/ETHPy150Open uwdata/termite-visualizations/web2py/gluon/cache.py/CacheAbstract.clear--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/Utility.py/DOM.getTypeRef