export declare type MousePositionStrategy = 'layer' | 'client' | 'page' | 'offset' | 'screen';
export declare class Coord2d {
    x: number;
    y: number;
    static fromXY(x: number, y: number): Coord2d;
    static fromMouseEvent(evt: MouseEvent, strategy?: MousePositionStrategy, target?: HTMLElement): Coord2d;
    constructor(x: number, y: number);
}