KeyValueStore:
- DatabaseStorage
- DatabaseStorageExpirable
- KeyValueDatabaseExpirableFactory
- KeyValueDatabaseFactory
- KeyValueExpirableFactoryInterface
- KeyValueFactory
- KeyValueFactoryInterface
- KeyValueMemoryFactory
- KeyValueNullExpirableFactory
- KeyValueStoreExpirableInterface
- KeyValueStoreInterface
- MemoryStorage
- NullStorageExpirable
- StorageBase