| XPath | XPathprovides access to the XPath evaluation environment and expressions.
 | 
| XPathEvaluationResult | The XPathEvaluationResultinterface represents the result of the
 evaluation of an XPath expression within the context of a particular node. | 
| XPathEvaluationResult.XPathResultType | XPathResultType represents possible return types of an XPath evaluation. | 
| XPathException | XPathExceptionrepresents a generic XPath exception.
 | 
| XPathExpression | XPathExpressionprovides access to compiled XPath expressions.
 | 
| XPathExpressionException | XPathExpressionExceptionrepresents an error in an XPath expression.
 | 
| XPathFactory | An  XPathFactory instance can be used to create
  XPath objects. | 
| XPathFactoryConfigurationException | XPathFactoryConfigurationExceptionrepresents
 a configuration error in aXPathFactoryenvironment.
 | 
| XPathFunction | XPathFunctionprovides access to XPath functions.
 | 
| XPathFunctionException | XPathFunctionExceptionrepresents an error with an XPath function.
 | 
| XPathFunctionResolver | XPathFunctionResolverprovides access to the set of user definedXPathFunctions.
 | 
| XPathVariableResolver | XPathVariableResolverprovides access to the set of user defined XPath variables.
 |