docs: public static String mapToPtPath(final String aID) {
          Objects.requireNonNull(aID);
  
          final String encodedID = encodeID(aID);
          final List<String> shorties = new ArrayList<>();
  
          int start = 0;
  
          while (start < encodedID.length()) {
              int end = start + myShortyLength;
  
              if (end > encodedID.length()) {
                  end = encodedID.length();
              }
  
              shorties.add(encodedID.substring(start, end));
              start = end;
          }
  
          return concat(shorties.toArray(new String[0]));
      }