return transformedArtifacts;
    }

    @Override
    public void visit(Visitor visitor) {
        FileCollectionStructureVisitor.VisitType visitType = visitor.prepareForVisit(this);
        if (visitType == FileCollectionStructureVisitor.VisitType.NoContents) {
            visitor.visitArtifacts(new EndCollection(this));
        } else {
            visitor.visitArtifacts(this);
        }

     */
    interface Visitor {
        /**
         * Called prior to scheduling resolution of a set of the given type. Should be called in result order.
         */
        FileCollectionStructureVisitor.VisitType prepareForVisit(FileCollectionInternal.Source source);

        /**
         * Visits zero or more artifacts.
         */
        void visitArtifacts(Artifacts artifacts);
    }

                //ignore
            } catch (Exception e) {
                visitFailure(e);
            }
        }

        @Override
        public FileCollectionStructureVisitor.VisitType prepareForVisit(FileCollectionInternal.Source source) {
            if (source instanceof LocalDependencyFiles) {
                return FileCollectionStructureVisitor.VisitType.NoContents;
            }

    val file: File
)


private
class CollectingArtifactVisitor : ArtifactVisitor {
    val elements = mutableListOf<Any>()
    val artifacts = mutableSetOf<ResolvableArtifact>()

    override fun prepareForVisit(source: FileCollectionInternal.Source): FileCollectionStructureVisitor.VisitType {
        return if (source is TransformedArtifactSet) {
            // Represents artifact transform outputs. Visit the source rather than the files

        return result;
    }

    @Override
    public void visit(Visitor visitor) {
        FileCollectionStructureVisitor.VisitType visitType = visitor.prepareForVisit(this);
        if (visitType == FileCollectionStructureVisitor.VisitType.NoContents) {
            visitor.visitArtifacts(new EndCollection(this));
            return;
        }

        // Calculate the artifacts now

                result.add(new BrokenArtifacts(failure));
            }
        });
    }

    @Override
    public FileCollectionStructureVisitor.VisitType prepareForVisit(FileCollectionInternal.Source source) {
        // Visit everything
        return FileCollectionStructureVisitor.VisitType.Visit;
    }

    }

    public abstract ImmutableAttributes getRequestAttributes();

    @Override
    public void visit(Visitor listener) {
        FileCollectionStructureVisitor.VisitType visitType = listener.prepareForVisit(this);
        if (visitType == FileCollectionStructureVisitor.VisitType.NoContents) {
            listener.visitArtifacts(new EndCollection(this));
            return;
        }

                }
                return true;
            }

            @Override
            public VisitType prepareForVisit(Source source) {
                return VisitType.NoContents;
            }

            @Override
            public void visitCollection(Source source, Iterable<File> contents) {
            }