ExtensionIdProvider

All Known Implementing Classes:

ActorRefResolveThreadLocalCache$, AddressTerminatedTopic$, AddressUidExtension$, BoundAddressesExtension$, CallingThreadDispatcherQueues$, CircuitBreakersRegistry$, Clock$, Cluster$, ClusterMetricsExtension$, ClusterSharding$, CoordinatedShutdown$, Discovery$, DistributedData$, DistributedPubSub$, Dns$, DurableStateStoreRegistry$, EventsBySliceFirehose$, EventsourcedInstrumentationProvider$, ExternalShardAllocation$, InMemStorageExtension$, JacksonObjectMapperProvider$, LeaseProvider$, LeaseProvider$, ManifestInfo$, Persistence$, PersistencePluginProxyExtension$, PersistenceQuery$, RARP$, RecoveryPermitterInstrumentationProvider$, SerializationExtension$, SnapshotStorageEmulatorExtension$, SystemMaterializer$, Tcp$, Tcp$, Tcp$, TestConductor$, Udp$, UdpConnected$
```
public interface ExtensionIdProvider
```
To be able to load an ExtensionId from the configuration, a class that implements ExtensionIdProvider must be specified. The lookup method should return the canonical reference to the extension.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  ExtensionId<? extends Extension> lookup()
  Returns the canonical ExtensionId for this Extension

- Method Detail
  - lookup
```
ExtensionId<? extends Extension> lookup()
```
    Returns the canonical ExtensionId for this Extension