| Interface | Description | 
|---|---|
| PersistenceService | 
 Service that allows for the creation of local disk backed map for instance specific values that persist across
 restarts. 
 | 
| PersistentMapBuilder<K,V> | 
 The interface for a persistent map builder for use with mapDB. 
 | 
| PersistentSetBuilder<E> | 
 The default interface for the persistent set builder for use with mapDB. 
 |