Get the list of the ACL's for a reference. Adds a number of ACE's to a collection of references. Removes ACE's from a collection of references. Gets a list of the settable permissions for a set of references. Gets a list of the settable permissions for a list of classes. Determines whether the current authenticated user has the permissions on each of the specified references. Set the inherit permission property of a set of references. Get the current node owner. Sets the current node owner. Access control service.