public function getParameterTypeOptions($index = null)
    {
        if (is_int($index) && $index >= 0) {
            return isset($this->parameterTypeOptions[$index]) ? $this->parameterTypeOptions[$index] : array();
        }

        return $this->parameterTypeOptions;
    }
public function getParameterTypeOptions($index = null)
    {
        if (is_int($index) && $index >= 0) {
            return isset($this->parameterTypeOptions[$index]) ? $this->parameterTypeOptions[$index] : array();
        }

        return $this->parameterTypeOptions;
    }
{@inheritdoc}