| XPathFunctionCall(const std::u32string& functionName_) |
| void | AddArgument(XPathExpr* argument) |
| std::unique_ptr<XPathObject> | Evaluate(XPathContext& context) override |
| std::unique_ptr<Node> | ToDom() const override |
| std::vector<std::unique_ptr<XPathExpr>> | arguments |
| std::u32string | functionName |