public function getAlias()/*#: string */
    {
        // auto generate a random one
        if (!$this->hasAlias()) {
            $this->alias = substr(md5(microtime(true)),0,3);
        }
        return $this->alias;
    }
public function getAlias()/*#: string */
    {
        // auto generate a random one
        if (!$this->hasAlias()) {
            $this->alias = substr(md5(microtime(true)),0,3);
        }
        return $this->alias;
    }
{@inheritDoc}