storedEncKey method
the backup key as it was stored last, might be empty if there isn't any stored
Implementation
Future<OptionString> storedEncKey() {
var tmp0 = 0;
tmp0 = _box.borrow();
final tmp1 = _api._backupManagerStoredEncKey(tmp0);
final tmp3 = tmp1;
final ffi.Pointer<ffi.Void> tmp3_0 = ffi.Pointer.fromAddress(tmp3);
final tmp3_1 = _Box(
_api,
tmp3_0,
"__BackupManager_stored_enc_key_future_drop",
);
tmp3_1._finalizer = _api._registerFinalizer(tmp3_1);
final tmp2 = _nativeFuture(
tmp3_1,
_api.__backupManagerStoredEncKeyFuturePoll,
);
return tmp2;
}