/// <reference types="svelte" />
import type { BackStateType } from '../types/types';
export declare const referrer: import("svelte/store").Writable<string>;
export declare const pushBackState: (obj: BackStateType) => void;
export declare const popBackState: () => BackStateType | undefined;
export declare const registerBackPress: (state: BackStateType) => void;
export declare const addBackKeyListener: (callback: (event?: PopStateEvent) => boolean) => ((event: PopStateEvent) => void) | undefined;
export declare const removeBackKeyListener: (listener: () => boolean) => void;
export declare function goBack(): void;
export declare function goHome(): void;
export declare function getRedirectUrl(): string | null;