public function vendorName()
    {
        $name = $this->name();
        if (null === $name) {
            return null;
        }

        $atoms = explode(static::NAME_SEPARATOR, $name);
        array_pop($atoms);
        if (count($atoms) < 1) {
            return null;
        }

        return implode(static::NAME_SEPARATOR, $atoms);
    }