@classmethod
    def parse(cls, headers):
        h = cls()
        for line in headers.splitlines():
            if line:
                h.parse_line(line)
        return h
Returns a set of all terms in this query tree.
dataset/ETHPy150Open toastdriven/itty/itty.py/HTTPHeaders.parse--crossover with--dataset/ETHPy150Open dokipen/whoosh/src/whoosh/query.py/Query.all_terms