public function getClassLoaders()
    {
        if (null !== static::$classLoaders) {
            return static::$classLoaders;
        }

        static::$classLoaders = array();

        foreach (spl_autoload_functions() as $function) {
            if (is_array($function) && count($function[0]) > 0 && is_object($function[0]) && 'Composer\Autoload\ClassLoader' === get_class($function[0])) {
                static::$classLoaders[] = $function[0];
            }
        }

        return static::$classLoaders;
    }