# Package org.apache.sling.distribution.journal.impl.precondition

Interface Summary
Precondition: Extension point for checking if a package can be processed by a subscriber.

Class Summary
DefaultPrecondition
PackageStatusWatcher
StagingPrecondition: This is a precondition that watches status messages from other instances in order to confirm that a package can be processed.

Enum Summary
Precondition.Decision