string cssToXPath(string $cssExpr, string $prefix = 'descendant-or-self::') Translates a CSS
XPathExpr addPseudoClass(
XPathExpr addFunction(
XPathExpr join(string $combiner
XPathExpr addCombination(string
string selectorToXPath(SelectorNode
Translator registerExtension(
string getElement() Return Value string
XPathExpr addStarPrefix()
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