23     public function handleAccess(\Doku_Event $event)  argument
25         if ($event->data['instance'] instanceof \admin_plugin_usermanager) {
26             $event->data['hasAccess'] = auth_ismanager();
38     public function handlePermissions(\Doku_Event $event)  argument
44         if (!auth_ismanager()) return $this->deny($event);
46         $modUser = $event->data['params'][0];
51                 $this->checkModUser($user, $event);
54             $this->checkModUser($modUser, $event);
67     protected function checkModUser($modUser, \Doku_Event $event)  argument
74 …    if ($existingUser && auth_isadmin($modUser, $existingUser['grps'])) return $this->deny($event);
78         if ($event->data['type'] === 'create') {
79             $groups = $event->data['params'][4];
80         } elseif ($event->data['type'] === 'modify') {
81             $groups = $event->data['params'][1]['grps'];
94             return $this->deny($event);
106     protected function deny(\Doku_Event $event)  argument
108         $event->preventDefault();