docs: public Result isValidWindows1252(byte[] buf) {
      for (byte b : buf) {
        if (!VALID_WINDOWS_1252[b + 128]) {
          return Result.INVALID;
        }
      }
  
      try {
        return new Result(Validation.MAYBE, Charset.forName("Windows-1252"));
      } catch (UnsupportedCharsetException e) {
        return Result.INVALID;
      }
    }