/src/main/java/org/htmlunit/html/HtmlPage.java
if ( list2 != null) {   for ( final DomElement elt : list2) {     if ( !( list.contains( elt) ) ) {       list.add( elt) ;     }   } }
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} } return null; } public HtmlElement getHead() { final DomElement doc = getDocumentElement(); <extra_id_0> for (final DomNode node : doc.getChildren()) { if (node instanceof HtmlHead) { return (HtmlElement) node; } } }