private void visitEntries(ClasspathBuilder.EntryBuilder builder) throws IOException, FileException {
        classpathWalker.visit(source, entry -> {
            visitEntry(builder, entry);
        });
        finishProcessing(builder);
    }

    private void visitEntry(ClasspathBuilder.EntryBuilder builder, ClasspathEntryVisitor.Entry entry) throws IOException {
        try {
            if (isClassFile(entry)) {

                        snapshot.accept(new FileSystemSnapshotHierarchyVisitor() {
                            @Override
                            SnapshotVisitResult visitEntry(FileSystemLocationSnapshot fileSnapshot) {
                                if (fileSnapshot.type == FileType.RegularFile && fileSnapshot.absolutePath.startsWith(projectRoot)) {

                } catch (IOException e) {
                    throw new UncheckedIOException(e);
                }
            }

            @Override
            public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot, boolean isRoot) {
                snapshot.accept(new FileSystemLocationSnapshot.FileSystemLocationSnapshotVisitor() {
                    @Override

            this.root = root;
            this.invalidator = invalidator;
            this.shouldKeep = shouldKeep;
        }

        @Override
        public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot) {
            if (shouldKeep.test(snapshot)) {
                return SnapshotVisitResult.CONTINUE;
            } else {

            @Override
            public void leaveDirectory(DirectorySnapshot directorySnapshot) {
                indent--;
            }

            @Override
            public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot) {
                for (int i = 0; i < indent; i++) {
                    builder.append("  ");
                }
                builder.append(" - ");

            this.treePath = "tree-" + escape(treeName);
            this.treeRoot = treePath + "/";
            this.type = type;
        }

        @Override
        public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot, RelativePathSupplier relativePath) {
            boolean isRoot = relativePath.isRoot();
            String targetPath = getTargetPath(relativePath);