def get_object_metadata(self, obj, prefix=None):
        return self.object_manager.get_metadata(obj, prefix)
Removes all objects from the mapper.
dataset/ETHPy150Open rackspace/pyrax/pyrax/object_storage.py/Container.get_object_metadata--crossover with--dataset/ETHPy150Open rwl/muntjac/muntjac/terminal/key_mapper.py/KeyMapper.removeAll