def lock(self, key, ttl=0):
        return _Base.lock(self, key, ttl=ttl)
Takes elements from the metadata class and creates a base model for all backend models .
dataset/ETHPy150Open couchbase/couchbase-python-client/couchbase/bucket.py/Bucket.lock--crossover with--dataset/ETHPy150Open willhardy/django-seo/rollyourown/seo/options.py/Options._register_elements