docs: public static String formatProgressBar(int width, int tick)
      {
          int markerWidth = 3; // must be odd >= 3 (1 for each < and > marker, the rest for "="
  
          int range = width - markerWidth; // "lower" must fall within this range for the marker to fit within the bar
          int lower = tick % range;
  
          if (((tick / range) % 2) != 0) { // are we going or coming back?
              lower = range - lower;
          }
  
          return repeat(" ", lower) +
                  "<" + repeat("=", markerWidth - 2) + ">" +
                  repeat(" ", width - (lower + markerWidth));
      }