protected function replaceAppClass($contents)
    {
        $modified = str_replace(
            'Illuminate\Foundation\Application',
            'Shpasser\GaeSupportL5\Foundation\Application',
            $contents);

        if ($contents !== $modified) {
            $this->myCommand->info('Replaced the application class in "bootstrap/app.php".');
        }

        return $modified;
    }