def insert_before(self, value, key):
        self.insert(value, key, 'before')
Wait for the resource to be deleted.
dataset/ETHPy150Open coleifer/walrus/walrus/containers.py/List.insert_before--crossover with--dataset/ETHPy150Open openstack/python-openstacksdk/openstack/proxy2.py/BaseProxy.wait_for_delete