public static function sendLogoutResponse(SimpleSAML_IdP $idp, array $state)
{
// NB:: we don't know from which SP the logout request came from
$metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
$idpMetadata = $idp->getConfig();
\SimpleSAML\Utils\HTTP::redirectTrustedURL($idpMetadata->getValue('redirect-after-logout', \SimpleSAML\Utils\HTTP::getBaseURL()));
}