code: public static Iterable<String> splitGlob(String path)
    {
      return Iterables.transform(splitGlob(new CharStream(path)), Functions.toStringFunction());
    }
docs: Splits given hadoop glob path by commas.
  e.g. splitGlob("/a,/b") -> ["/a","/b"]
  splitGlob("/a/{c,d}") -> ["/a/c", "/a/d"]