export declare function getViewBox(svg: SVGSVGElement): {
    x: number;
    y: number;
    width: number;
    height: number;
};
export declare function calculateZoomedViewBox(current: {
    x: number;
    y: number;
    width: number;
    height: number;
}, factor: number, pivot: {
    x: number;
    y: number;
}): {
    x: number;
    y: number;
    width: number;
    height: number;
};
export declare function viewBoxToString(box: {
    x: number;
    y: number;
    width: number;
    height: number;
}): string;