| Interface | Description | 
|---|---|
| KeyValueIterator<K,V> | |
| KeyValueStore<K,V> | A key-value store that supports put, get, delete, and range queries. | 
| Class | Description | 
|---|---|
| Entry<K,V> | A key and value. | 
| KeyValueStore.Extension | Represents an extension for classes that implement  KeyValueStore. |