docs: private String ljust(String s, Integer length) {
  		if (s.length() >= length) {
  			return s;
  		}
  		length -= s.length();
  		StringBuffer sb = new StringBuffer();
  		for (Integer i = 0; i < length; i++) {
  			sb.append(" ");
  		}
  		return s + sb.toString();
  	}