public boolean isChildNode(Node child) {
        return false;
    }
Returns true if the specified node is a first-level children of this node.

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