docs: public static void copy(final Path source, final Path dest) throws IOException {
  		if(Files.exists(source)) {
  			Files.walkFileTree(source, new SimpleFileVisitor<Path>() {
  				@Override
  				public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
  					Files.copy(file, resolve(dest, relativize(source, file)));
  					return super.visitFile(file, attrs);
  				}
  
  				@Override
  				public FileVisitResult preVisitDirectory(final Path dir, final BasicFileAttributes attrs) throws IOException {
  					Files.createDirectories(resolve(dest, relativize(source, dir)));
  					return super.preVisitDirectory(dir, attrs);
  				}
  			});
  		}
  	}