public boolean isDescendantNode(Node child) {
        return false;
    }
Returns true if the specified node is a direct child node of this node or
a descendant of the children nodes.

@param child the node to check if it is a descendant of this node.
@return true if the specified node is a direct child node of this node or
        a descendant of the children nodes.
xmppserver/src/main/java/org/jivesoftware/openfire/pubsub/Node.java