export function isGalleryInViewport({ container, scrollTop }: {
    container: any;
    scrollTop: any;
}): boolean;
export class Deferred {
    promise: Promise<any>;
    reject: (...args: any[]) => void;
    isPending: boolean;
    resolve: (...args: any[]) => void;
}
//# sourceMappingURL=galleryHelpers.d.ts.map