cachedExclusions = null;
        for (NodeState targetNode : targetNodes) {
            targetNode.updateTransitiveExcludes();
        }
    }

    @Nullable
    ExcludeSpec getTransitiveExclusions() {
        return transitiveExclusions;
    }

    public void markUnattached() {
        this.unattached = true;
    }

    public void markAttached() {
        this.unattached = false;

            // because it's some form of "delegation"
            return moduleExclusions.excludeAny(
                incomingEdges.stream()
                    .map(EdgeState::getTransitiveExclusions)
                    .filter(Objects::nonNull)
                    .collect(Collectors.toSet())
            );
        }
        if (incomingEdges.size() == 1) {