/src/main/java/org/htmlunit/html/HtmlDomTreeWalker.java
sibling = n.getPreviousSibling( ) ;sibling = n.getNextSibling( ) ;
sibling = n.getNextSibling ( ) ;
} final DomNode sibling; if (lookLeft) { sibling = n.getPreviousSibling(); } else { <extra_id_0> } if (sibling == null) { if (n == root_) { return null; } return getSibling(n.getParentNode(), lookLeft);