/src/main/java/org/htmlunit/html/xpath/HtmlUnitPrefixResolver.java
final java.lang.String namespace = getNamespace(((org.htmlunit.html.DomElement)(child)), prefix); if(namespace != null) {  return namespace;};
if ( child instanceof DomElement ) { final String namespace = getNamespace ( ( DomElement ) child, prefix ) ; if ( namespace != null ) { return namespace; }
final String name = entry.getKey(); if (name.startsWith(xmlns) && name.regionMatches(xmlnsLength, prefix, 0, prefix.length())) { return entry.getValue().getValue(); } } for (final DomNode child : element.getChildren()) { <extra_id_0> } } return null; } }