# Package net.sourceforge.pmd.lang.rule.xpath

- Interface Summary
  Interface | Description
  --- | ---
  XPathRuleQuery | This interface captures the logic needed by XPathRule to implement an XPath based query on an AST Node.

- Class Summary
  Class | Description
  --- | ---
  AbstractXPathRuleQuery | This implementation of XPathRuleQuery provides support for RuleChain visits.
  JaxenXPathRuleQuery | This is a Jaxen based XPathRule query.
  SaxonXPathRuleQuery | This is a Saxon based XPathRule query.

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