// and check for cycles
        Set<Node> nodesWithNoCycle = new HashSet<>(getFinalizedNodes().size());
        for (Node finalizedNode : getFinalizedNodes()) {
            if (!hasACycle(finalizedNode, reachableGroups)) {
                nodesWithNoCycle.add(finalizedNode);
            }
        }
        return nodesWithNoCycle;

                // Has started running at least one finalized node, so cannot cancel
                return false;
            }
            if (seen.add(group)) {
                for (Node node : group.getFinalizedNodes()) {
                    if (node.getGroup() instanceof HasFinalizers) {
                        queue.addAll(((HasFinalizers) node.getGroup()).getFinalizerGroups());
                    }
                }
            }