export declare type IHijackContext<T extends unknown[], U> = {
    args: T;
    result?: U;
};
export interface IHijackOptions<T extends unknown[], U> {
    before?: (ctx: IHijackContext<T, U>) => void;
    after?: (ctx: IHijackContext<T, U>) => void;
}
export declare function hijack<T extends unknown[], U>(fn: (...args: T) => U, options?: IHijackOptions<T, U>): {
    (...args: T): U;
    __fn: (...args: T) => U;
};
export declare function onNavigate(callback: () => void): () => void;
export declare const versions: Record<string, string> & {
    url: string;
};