| Interface | Description | 
|---|---|
| SideInputsProcessor | The processing logic for store side inputs. | 
| SideInputsProcessorFactory | A factory to build  SideInputsProcessors. | 
| StorageEngine | A storage engine for managing state maintained by a stream processor. | 
| StorageEngineFactory<K,V> | An object provided by the storage engine implementation to create instances
 of the given storage engine type. | 
| Class | Description | 
|---|---|
| StoreProperties | Immutable class that defines the properties of a Store | 
| StoreProperties.StorePropertiesBuilder |