@Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            Path resolve = target.resolve(source.relativize(file));
            Files.copy(file, resolve, StandardCopyOption.REPLACE_EXISTING);
            return FileVisitResult.CONTINUE;

        }
Delete a directory and all files within.

<p>Any found symlink is deleted, but the contents of a symlink are not deleted.

@param dir Directory to delete.
@return Returns true if the directory was deleted, or false if the directory does not exist.
@throws IllegalArgumentException if the given path is not a directory.
@throws RuntimeException if unable to delete a file or directory.
smithy-utils/src/main/java/software/amazon/smithy/utils/IoUtils.java