import type { GoTrueClientOptions } from '@supabase/supabase-js';
import type { RequestEvent } from '@sveltejs/kit';
import type { CookieOptions } from '../types/index.js';
interface StorageAdapter extends Exclude<GoTrueClientOptions['storage'], undefined> {
}
export declare class CookieStorage implements StorageAdapter {
    private readonly event;
    constructor(event: Pick<RequestEvent, 'cookies'> & CookieOptions);
    getItem(key: string): string | null;
    setItem(key: string, value: string): void;
    removeItem(key: string): void;
}
export {};