Reject the node. Navigation methods defined for NodeIterator or TreeWalker will not return this node. For TreeWalker the children of this node will also be rejected. NodeIterators treat this As a synonym for FILTER_SKIP....Reject the node. Navigation methods defined for NodeIterator or TreeWalker will not return this node. For TreeWalker the children of this node will also be rejected. NodeIterators treat this as a synonym for FILTER_SKIP.