Field of the current entity with references the deleting instace of parentEntityClass.
Class (or classes) of parent entity that should trigger a cascade set null update to a field within the entity being authorized. Pass an array when multiple sibling classes backed by the same table can be the deletion source.
OptionalparentField in parentEntityClass referenced by the value of fieldIdentifyingParentEntity. If not provided, ID is assumed.
Directive for specifying the parent relationship in AllowIfInParentCascadeDeletionPrivacyPolicyRule.