visited.add(details.getRelativePath());
            action.processFile(details);
        }));

        SyncCopyActionDecoratorFileVisitor fileVisitor = new SyncCopyActionDecoratorFileVisitor(visited, preserveSpec, deleter);

        MinimalFileTree walker = directoryFileTreeFactory.create(baseDestDir).postfix();
        walker.visit(fileVisitor);
        visited.clear();