##CleanupForSourceCompletedEvent
This event will be fired when the clean up for a source completed successfully.
It has one public property: $source
##CleanupForSourceFailedEvent
This event will be fired when the clean up for a source failed.
It has two public properties: $source
and `$exception.
##CleanupForDestinationCompletedEvent
This event will be fired when the clean up for a destination completed successfully.
It has one public property: $destination
##CleanupForDestinationFailedEvent
This event will be fired when the clean up for a destination failed.
It has two public properties: $source
and $exception
.