/**
 * The fallback image URL
 */
type FallbackImageUrlOptions = string;
/**
 * Sets a custom fallback image by specifying its URL.
 *
 * See https://github.com/imgproxy/imgproxy/blob/6f292443eafb2e39f9252175b61faa6b38105a7c/docs/generating_the_url.md#fallback-image-url-idfallback-image-url for the imgproxy documentation
 *
 * @param url  The fallback image URL
 * @returns    The fallback image URL param string
 */
declare const fallbackImageUrl: (url: FallbackImageUrlOptions) => string;
export default fallbackImageUrl;
export { FallbackImageUrlOptions };