@DictProperty('environ', 'bottle.request.headers', read_only=True)
    def headers(self):
        return WSGIHeaderDict(self.environ)
Attempts to parse the specified key in the specified argument
dataset/ETHPy150Open adampresley/bottlepy-bootstrap/app/bottle.py/BaseRequest.headers--crossover with--dataset/ETHPy150Open ga4gh/server/ga4gh/backend.py/_parseIntegerArgument