message: Converted StartScrollPosition to interface
diff: @@ -45,11 +45,11 @@ interface HitTestPaneViewResult {
  object?: HoveredObject;
  }
  -type StartScrollPosition = Point & {
  +interface StartScrollPosition extends Point {
  timestamp: number;
  localX: Coordinate;
  localY: Coordinate;
  -};
  +}
  export class PaneWidget implements IDestroyable {
  private readonly _chart: ChartWidget;
  