docs: public synchronized Rect getFramingRectInPreview() {
      if (framingRectInPreview == null) {
        Rect framingRect = getFramingRect();
        if (framingRect == null) {
          return null;
        }
        Rect rect = new Rect(framingRect);
        Point cameraResolution = configManager.getCameraResolution();
        Point screenResolution = configManager.getScreenResolution();
        if (cameraResolution == null || screenResolution == null) {
          // Called early, before init even finished
          return null;
        }
        rect.left = rect.left * cameraResolution.x / screenResolution.x;
        rect.right = rect.right * cameraResolution.x / screenResolution.x;
        rect.top = rect.top * cameraResolution.y / screenResolution.y;
        rect.bottom = rect.bottom * cameraResolution.y / screenResolution.y;
        framingRectInPreview = rect;
      }
      return framingRectInPreview;
    }