Method updateControlPoints

src/types/index.d.ts:1980–1980

(chartArea: ChartArea, indexAxis?: 'x' | 'y')

  extends Element<T, O>,
  VisualElement {
  updateControlPoints(chartArea: ChartArea, indexAxis?: 'x' | 'y'): void;
  points: Point[];
  readonly segments: Segment[];
  first(): Point | false;