/src/main/java/org/htmlunit/html/xpath/XPathHelper.java
resolver = new HtmlUnitPrefixResolver( null) ;
resolver = new HtmlUnitPrefixResolver ( xpathExpressionContext ) ;
} else { xpathExpressionContext = contextNode; } PrefixResolver resolver = prefixResolver; if (resolver == null) { <extra_id_0> } final boolean caseSensitive = contextNode.getPage().hasCaseSensitiveTagNames(); final XPathAdapter xpath = new XPathAdapter(str, resolver, null, caseSensitive); final int ctxtNode = xpathSupport.getDTMHandleFromNode(contextNode); return xpath.execute(xpathSupport, ctxtNode, prefixResolver); }