/src/main/java/org/htmlunit/html/DomNodeIterator.java
if ( ( node == null) || ( node == ( root_) ) ) {   return null; }
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} final DomNode parent = node.getParentNode(); if (parent == null || parent == root_) { return null; } final DomNode uncle = getSibling(parent, false); <extra_id_0> return uncle; } return getFirstUncleNode(parent); } private static DomNode getChild(final DomNode node, final boolean lookLeft) { if (node == null) {