throw new IllegalStateException("Cannot remove a pending node for a dependency which is not pending");
        }
        boolean removed = constraintProvidingNodes.remove(nodeState);
    }

    void turnIntoHardDependencies() {
        for (NodeState affectedComponent : constraintProvidingNodes) {
            affectedComponent.prepareForConstraintNoLongerPending(moduleIdentifier);
        }
        constraintProvidingNodes.clear();

    }

    @Override
    public void complete() {
        if (noLongerPending != null) {
            for (PendingDependencies pendingDependencies : noLongerPending) {
                pendingDependencies.turnIntoHardDependencies();
            }
            noLongerPending = null;
        }
    }