| Package | Description | 
|---|---|
| org.apache.sling.discovery.base.commons | Provides some common classes for discovery implementors that 
 choose to extend from discovery.base | 
| org.apache.sling.discovery.oak.pinger | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | BaseViewCheckerThe heartbeat handler is responsible and capable of issuing both local and
 remote heartbeats and registers a periodic job with the scheduler for doing so. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | OakViewCheckerThe OakViewChecker is taking care of checking the oak discovery-lite
 descriptor when checking the local cluster view and passing that
 on to the ViewStateManager which will then detect whether there was
 any change or not. | 
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