delete
Delete an activity specified by directive id, and throw an error if any activities are anchored to it.
Delete an activity specified by directive id, with a strategy to handle activities that are anchored to it.
If other anchored activities are affected, extra addition and deletion edits may be created.
Delete an activity and throw an error if any activities are anchored to it.
Delete an activity with a strategy to handle activities that are anchored to it.
If other anchored activities are affected, extra addition and deletion edits may be created.