// FIXME: Check if the proposed role id exists as a user id in
// a privilege grant or as a built-in user ("best effort"; we
// can't guarantee against collision if users are externally
// defined or added later).
rd = ddg.newRoleDescriptor(
dd.getUUIDFactory().createUUID(),
roleName,
currentAuthId,// grantee
Authorizer.SYSTEM_AUTHORIZATION_ID,// grantor
true, // with admin option