import 'dart:async' show Future;

import 'package:pb_authenticator_totp/totp.dart';

/// Abstract class for loading/saving state from storage.
abstract class RepositoryBase<T> {
  /// Load list of items from repository.
  Future<List<T>> loadItems();

  /// Replace list of items.
  Future replaceItems(List<T> state);

  /// Add an item to the list.
  Future<T> addItem(TotpItem item);
}