private function normalizeTypes(array $types)
    {
        foreach ($types as $index => $type) {
            $types[$index] = $this->normalizeType($type);
        }

        return $types;
    }
private function normalizeTypes(array $types)
    {
        foreach ($types as $index => $type) {
            $types[$index] = $this->normalizeType($type);
        }

        return $types;
    }
@param string[] $types

@return string[]