[ 'superadministrator' => [ 'users' => 'c,r,u,d', 'acl' => 'c,r,u,d', 'profile' => 'r,u' ], 'administrator' => [ 'users' => 'c,r,u,d', 'profile' => 'r,u' ], 'user' => [ 'profile' => 'r,u' ], ], 'permission_structure' => [ 'cru_user' => [ 'profile' => 'c,r,u' ], ], 'permissions_map' => [ 'c' => 'create', 'r' => 'read', 'u' => 'update', 'd' => 'delete' ] ];