public static extern unsafe void ice_storage_kv_set( CoreKVStorage *handle, string k, string v, KVStorageSetItemCallback cb, CoreResource *call_with );
public static extern unsafe void ice_storage_kv_hash_map_ext_set( CoreHashMapExt *hm, string k, string map_key, string v, KVStorageSetItemCallback callback, CoreResource *call_with );