getCombinationTranslators example

return ($prefix ?: '').$this->nodeToXPath($selector);
    }

    /** * @return $this */
    public function registerExtension(Extension\ExtensionInterface $extension): static
    {
        $this->extensions[$extension->getName()] = $extension;

        $this->nodeTranslators = array_merge($this->nodeTranslators, $extension->getNodeTranslators());
        $this->combinationTranslators = array_merge($this->combinationTranslators, $extension->getCombinationTranslators());
        $this->functionTranslators = array_merge($this->functionTranslators, $extension->getFunctionTranslators());
        $this->pseudoClassTranslators = array_merge($this->pseudoClassTranslators, $extension->getPseudoClassTranslators());
        $this->attributeMatchingTranslators = array_merge($this->attributeMatchingTranslators, $extension->getAttributeMatchingTranslators());

        return $this;
    }

    /** * @throws ExpressionErrorException */
    public function getExtension(string $name): Extension\ExtensionInterface
    {