/src/main/java/org/htmlunit/html/HtmlDomTreeWalker.java
if ( isNodeVisible( n) ) {   return null; }
[Delete]
} return getSibling(n.getParentNode(), lookLeft); } return getEquivalentLogical(sibling, lookLeft); } public DomNode nextSibling() { <extra_id_0> return null; } final DomNode newNode = getEquivalentLogical(currentNode_.getNextSibling(), false); if (newNode != null) { currentNode_ = newNode; }