We need to ensure consistency of the camunda history cleanup and thus also delete relevant event data. Affected indices are: variableUpdates, activityEvents, businessKey.
However event process data might still reside in the dedicated event process index. Users need to configure cleanup of event based process data to account for that which will be done in the documentation sibling subtask
Trace data will be kept as it only contains the processInstance id as well as activityId's which is considered not confidental.
- existing camunda process history cleanup also needs to delete related data from event indices: variableUpdates, activityEvents, businessKey.