private static char [] zzUnpackCMap(String packed) {
    int size = 0;
    for (int i = 0, length = packed.length(); i < length; i += 2) {
      size += packed.charAt(i);
    }
    char[] map = new char[size];
    int i = 0;  /* index in packed string  */
    int j = 0;  /* index in unpacked array */
    while (i < packed.length()) {
      int  count = packed.charAt(i++);
      char value = packed.charAt(i++);
      do map[j++] = value; while (--count > 0);
    }
    return map;
  }
private static char [] zzUnpackCMap(String packed)