def cancel(self):
        self._queue = []
A simple filter mechanism whereby you can tell this token stream
dataset/ETHPy150Open Net-ng/kansha/kansha/services/search/elasticengine.py/ElasticSearchEngine.cancel--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/antlr3/antlr3/streams.py/CommonTokenStream.setTokenTypeChannel