typedef KeyValueDB::GenericIteratorImpl ObjectMapIteratorImpl;
typedef ceph::shared_ptr<ObjectMapIteratorImpl> ObjectMapIterator;
virtual ObjectMapIterator get_iterator(const ghobject_t &oid) {
typedef KeyValueDB::GenericIteratorImpl ObjectMapIteratorImpl;
typedef ceph::shared_ptr<ObjectMapIteratorImpl> ObjectMapIterator;
virtual ObjectMapIterator get_iterator(const ghobject_t &oid) {