public FlexWikiAuthorizationException(SecurableAction action, AuthorizationRuleScope scope, string name)
 {
     _action = action;
     _scope = scope;
     _name = name;
 }
        private static bool IsValidCombination(AuthorizationRuleWho who, AuthorizationRulePolarity what, AuthorizationRuleScope where,
            SecurableAction permission)
        {
            if ((where == AuthorizationRuleScope.Topic) && (permission == SecurableAction.ManageNamespace))
            {
                return false;
            }

            return true;
        }