beforeRead(context, null, consumer);
    }

    private void beforeRead(EvaluationContext.ScopeContext context, @Nullable ModelObject effectiveProducer, ValueConsumer consumer) {
        state.finalizeOnReadIfNeeded(this.getDisplayName(), effectiveProducer, consumer, effectiveConsumer -> finalizeNow(context, effectiveConsumer));
    }

    private void finalizeNow(EvaluationContext.ScopeContext context, ValueConsumer consumer) {

        return this == FINALIZED_VALUE;
    }

    /**
     * Is this state final or on its way for being finalized?
     */
    public abstract boolean isFinalizing();

    public void finalizeOnReadIfNeeded(Describable displayName, @Nullable ModelObject effectiveProducer, ValueSupplier.ValueConsumer consumer, Action<ValueSupplier.ValueConsumer> finalizeNow) {
        if (maybeFinalizeOnRead(displayName, effectiveProducer, consumer)) {

        }));
        setExplicitCollector(new ResolvedItemsCollector(builder.build()));
    }

    @Override
    protected void visitChildren(Consumer<FileCollectionInternal> visitor) {
        valueState.finalizeOnReadIfNeeded(this::displayNameForThisCollection, null, ValueSupplier.ValueConsumer.IgnoreUnsafeRead, unused -> finalizeNow());
        value.visitContents(visitor);
    }

    @Override