import React, { type RefObject } from 'react';
type ModalGalleryOpeningBitmapProps = {
    bitmap: ImageBitmap;
    slotRef: RefObject<HTMLDivElement | null>;
};
/**
 * Fills the modal gallery slot with a snapshot (object-fit: cover) while the shell opens; removed once the iframe is shown.
 */
export declare function ModalGalleryOpeningBitmap({ bitmap, slotRef }: ModalGalleryOpeningBitmapProps): React.JSX.Element;
export {};