public function filter(OptionsInterface $options, $value)
    {
        if (is_callable($value)) {
            $value = call_user_func($value, $options);
        }

        if (is_string($value)) {
            return $this->getHashGeneratorByDescription($options, $value);
        } elseif ($value instanceof Hash\HashGeneratorInterface) {
            return $value;
        } else {
            $class = get_class($this);
            throw new \InvalidArgumentException("$class expects a valid hash generator");
        }
    }
public function filter(OptionsInterface $options, $value)
    {
        if (is_callable($value)) {
            $value = call_user_func($value, $options);
        }

        if (is_string($value)) {
            return $this->getHashGeneratorByDescription($options, $value);
        } elseif ($value instanceof Hash\HashGeneratorInterface) {
            return $value;
        } else {
            $class = get_class($this);
            throw new \InvalidArgumentException("$class expects a valid hash generator");
        }
    }
{@inheritdoc}