import type { Storage } from '../definitions.js';
export declare class UnstorageFsStorage implements Storage {
    #private;
    constructor({ base }: {
        base: URL;
    });
    getItem(key: string): Promise<any | null>;
    getItemRaw(key: string): Promise<Buffer | null>;
    setItem(key: string, value: any): Promise<void>;
    setItemRaw(key: string, value: any): Promise<void>;
}