public static function configureWcsLibrary(array $wcsConfiguration = array())
 {
     $aConfiguration = array();
     if (array_key_exists(WirecardCEE_Client_Configuration::DATASTORAGE_URL, $wcsConfiguration)) {
         $aConfiguration[WirecardCEE_Client_Configuration::DATASTORAGE_URL] = $wcsConfiguration[WirecardCEE_Client_Configuration::DATASTORAGE_URL];
     } else {
         $aConfiguration[WirecardCEE_Client_Configuration::DATASTORAGE_URL] = self::WCS_DATASTORAGE_URL;
     }
     if (array_key_exists(WirecardCEE_Client_Configuration::FRONTEND_URL, $wcsConfiguration)) {
         $aConfiguration[WirecardCEE_Client_Configuration::FRONTEND_URL] = $wcsConfiguration[WirecardCEE_Client_Configuration::FRONTEND_URL];
     } else {
         $aConfiguration[WirecardCEE_Client_Configuration::FRONTEND_URL] = self::WCS_FRONTEND_URL;
     }
     WirecardCEE_Client_Configuration::createConfigurationFromArray($aConfiguration);
 }