/**
 * @fileoverview Loads images sequentially.
 */
import { Observable } from 'rxjs';
import { RequestInterceptor, ImageLoaderScheme } from '../../types';
import { Loaded } from './types';
interface LoadImages {
    ({ images, imageScheme, requestInterceptor, }: {
        images: string[];
        imageScheme: ImageLoaderScheme;
        requestInterceptor: RequestInterceptor;
        timeout: number;
    }): Observable<Loaded>;
}
/**
 * @param images The images urls to load.
 * @param requestInterceptor The callback is called before a request is sent. It use ky.js beforeRequest hook.
 * @returns Observable<{ image, loaded }>. image is cornerstone image. loaded is the numbe of loaded images.
 * @throws If image fetching fails.
 */
export declare const loadImages: LoadImages;
export {};