public function buildModuleChains($aModuleArray)
    {
        $aModules = [];
        if (is_array($aModuleArray)) {
            foreach ($aModuleArray as $sClass => $aModuleChain) {
                $aModules[$sClass] = implode('&', $aModuleChain);
            }
        }

        return $aModules;
    }