export declare function removeCredential(url: string): string; export declare function removeOrigin(href: string): string; export declare function removeLiffUtmParams(url: string): string; export declare const sanitizeAndReplaceVisibleUrl: (url: string) => void; export declare function addParamsToUrl(url: string, params: { [key: string]: string; }): string; export declare function extractLiffId(url: string): string | null; export declare function getOriginOfUrl(url: string): string; export declare function isLineCustomUrlScheme(url: string): boolean;