public static extern unsafe void ice_storage_kv_hash_map_ext_remove( CoreHashMapExt *hm, string k, string map_key, KVStorageRemoveItemCallback callback, CoreResource *call_with );
public static extern unsafe void ice_storage_kv_expire_sec( CoreKVStorage *handle, string k, uint t, KVStorageRemoveItemCallback cb, CoreResource *call_with );