@Override
 public IStorageUtilityIndexed<FormInstance> getUserFixtureStorage() {
   return app.getUserStorage("fixture", FormInstance.class);
 }
 @Override
 public IStorageUtilityIndexed<Ledger> getLedgerStorage() {
   return app.getUserStorage(Ledger.STORAGE_KEY, Ledger.class);
 }
 @Override
 public IStorageUtilityIndexed<User> getUserStorage() {
   return app.getUserStorage("USER", User.class);
 }
 @Override
 public IStorageUtilityIndexed<Case> getCaseStorage() {
   return app.getUserStorage(ACase.STORAGE_KEY, ACase.class);
 }