public List<NodeAcl> getChildAcls(Node host) {
        if ( ! host.type().isHost()) throw new IllegalArgumentException("Only hosts have children");
        NodeList allNodes = nodes().list();
        return allNodes.childrenOf(host)
                       .mapToList(childNode -> childNode.acl(allNodes, loadBalancers, zone));
    }
Returns ACLs for the children of the given host.

@param host node for which to generate ACLs
@return the list of node ACLs
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/NodeRepository.java