docs: @Override
      public void indicateProgress(int number) {
          verifySystemOut();
          progressIndicatorActive = true;
          String currMsg = lastMessage;
          try {
              if (isAnsiEnabled()) {
                  updateStatus(currMsg + ' ' + number);
              } else {
                  out.print("..");
                  out.print(number);
              }
          } finally {
              lastMessage = currMsg;
          }
      }