@aurigma/design-atoms/Viewer/Interfaces/IViewer.d.ts

Design Atoms is a part of Customer's Canvas SDK which allows for manipulating individual design elements through your code.

import { PointF } from "@aurigma/design-atoms-model/Math/PointF";
export interface IViewer {
    scrollingPosition: PointF;
    scrollingSize: PointF;
    contentAngle: number;
}