| ⇢ | A | UsersStorage added | |
| F | ↗ | C | Storage improved |
| ⇢ | B | UsersStorage::saveUser() added | |
| ⇢ | A | UsersStorage::deleteUserBySlug() added | |
| ⇢ | A | UsersStorage::getUserBySlug() added | |
| ⇢ | A | UsersStorage::addUser() added | |
| ⇢ | A | UsersStorage::getUsers() added | |
| B | ↛ | Storage::saveUser() removed | |
| A | ↛ | Storage::deleteUserBySlug() removed | |
| A | ↛ | Storage::getUserBySlug() removed | |
| A | ↛ | Storage::addUser() removed |