code: public void moveBottom(int row) {
          E entry = getElement(row);
          getElements().remove(row);
          getElements().add(entry);
  
          updateOrdersAndFireNotification(row);
      }
docs: Moves the element at the given {@code row} to the bottom of the elements, thus occupying the last position.
  <p>
  The order of all elements is updated and all listeners notified.
  
  @param row the row of the element that should be moved to the bottom
  @see #updateOrdersAndFireNotification(int)