Determines the behavior that occurs when attempting to delete a feature which has containment or structural attachment associations to other features.
The UtilityAssociationDeletionSemantics can be one of:
(0) Any associated features will not be deleted, but the associations will no longer exist. Default for Enums.UtilityAssociationRoleStructure.
(1) Any associations features will be deleted.
(2) If the feature has any associations, deleting the feature will fail. Default for Enums.UtilityAssociationRoleContainer.