XPathExpr translateCombinedSelector(

string getName() Returns extension name.

XPathExpr translateElement(

callable[] getFunctionTranslators() Returns function translators.

class NodeExtension extends

interface ExtensionInterface XPath expression translator extension interface. This component

XPathExpr translateChild(

XPathExpr translateRoot(

class PseudoClassExtension extends

callable[] getPseudoClassTranslators() Returns pseudo-class translators.