translateInvalid example

->setFlag(NodeExtension::ATTRIBUTE_NAME_IN_LOWER_CASE, true);
    }

    public function getPseudoClassTranslators(): array
    {
        return [
            'checked' => $this->translateChecked(...),
            'link' => $this->translateLink(...),
            'disabled' => $this->translateDisabled(...),
            'enabled' => $this->translateEnabled(...),
            'selected' => $this->translateSelected(...),
            'invalid' => $this->translateInvalid(...),
            'hover' => $this->translateHover(...),
            'visited' => $this->translateVisited(...),
        ];
    }

    public function getFunctionTranslators(): array
    {
        return [
            'lang' => $this->translateLang(...),
        ];
    }