/src/main/java/org/htmlunit/html/DomNodeIterator.java
return null;
if ( node == null || node == root_ ) { return null; }
if (filter_ == null) { return true; } return filter_.acceptNode(node) == NodeFilter.FILTER_ACCEPT; } private DomNode getFirstUncleNode(final DomNode node) { <extra_id_0> final DomNode parent = node.getParentNode(); if (parent == null || parent == root_) { return null; } final DomNode uncle = getSibling(parent, false); if (uncle != null) {