code: public static final Set<String> normalizePaths(Set<String> paths) {
  		Set<String> ret = new HashSet<>();
  		for (Iterator<String> it = paths.iterator(); it.hasNext();) {
  			String path = normalizePath((String) it.next());
  			ret.add(path);
  		}
  		return ret;
  	}
docs: Normalizes all the paths in a Set.
  
  @param paths
  @return