/**
 * ReadonlyURLSearchParams implementation shared between client and server.
 * This file is intentionally not marked as 'use client' or 'use server'
 * so it can be imported by both environments.
 */
/**
 * A read-only version of URLSearchParams that throws errors when mutation methods are called.
 * This ensures that the URLSearchParams returned by useSearchParams() cannot be mutated.
 */
export declare class ReadonlyURLSearchParams extends URLSearchParams {
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. Read more: https://nextjs.org/docs/app/api-reference/functions/use-search-params#updating-searchparams */
    append(): void;
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. Read more: https://nextjs.org/docs/app/api-reference/functions/use-search-params#updating-searchparams */
    delete(): void;
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. Read more: https://nextjs.org/docs/app/api-reference/functions/use-search-params#updating-searchparams */
    set(): void;
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. Read more: https://nextjs.org/docs/app/api-reference/functions/use-search-params#updating-searchparams */
    sort(): void;
}