code: public static String escapeString(String in, Map<String, String> headers,
        boolean needRounding, int unit, int roundDown) {
      return escapeString(in, headers, null, needRounding, unit, roundDown,
        false);
    }
docs: A wrapper around
  {@link BucketPath#escapeString(String, Map, TimeZone, boolean, int, int,
  boolean)}
  with the timezone set to the default.