protected function processQueries()
    {
        if (! \function_exists('dbDelta')) {
            throw WPDatabaseUpdateFunctionsNotFoundException::dbDeltaIsNotExist();   
        }

        $queries = '';

        foreach ($this->getQueries() as $index => $query) {
            $queries .= \trim($query);
        }

        \dbDelta($queries); 
    }