CRM_Contact_BAO_GroupNesting::add($params['parent_group_id'], $params['child_group_id']);
// FIXME: CRM_Contact_BAO_GroupNesting requires some work
$result = array('is_error' => 0);
CRM_Contact_BAO_GroupNesting::add($params['parent_group_id'], $params['child_group_id']);
// FIXME: CRM_Contact_BAO_GroupNesting requires some work
$result = array('is_error' => 0);