type SrcRect = {
    l?: number;
    t?: number;
    r?: number;
    b?: number;
};
export declare function inferContainerAr(oldImageWidth: number, oldImageHeight: number, currentSrcRect: SrcRect): number;
export declare function computeSrcRectForNewImage(containerAr: number, newImageWidth: number, newImageHeight: number): SrcRect;
export {};