removeOutgoingEdges();
    }

    void prepareForConstraintNoLongerPending(ModuleIdentifier moduleIdentifier) {
        if (upcomingNoLongerPendingConstraints == null) {
            upcomingNoLongerPendingConstraints = new LinkedHashSet<>();
        }
        upcomingNoLongerPendingConstraints.add(moduleIdentifier);
        // Trigger a replay on this node, to add new constraints to graph