public static function classname($qualifiedName)
    {
        if (false !== $pos = strrpos($qualifiedName, '.')) {
            return substr($qualifiedName, $pos + 1); // start just after '.'
        } elseif (false !== $pos = strrpos($qualifiedName, '\\')) {
            return substr($qualifiedName, $pos + 1);
        } else {
            return $qualifiedName;  // there is no '.' in the qualified name
        }

    }