@ApiStatus.Internal
  public void updateAvailableArea() {
    Rectangle visibleArea = myEditor.getScrollingModel().getVisibleArea();
    if (visibleArea.isEmpty()) return;
    int width = myWidthProvider.getVisibleAreaWidth();
    if (width <= 0) return;
    myAvailableWidth = width;
  }
@ApiStatus.Internal
  public void updateAvailableArea()