import { PersistentStorage } from '../types';
export declare class LocalForageWrapper implements PersistentStorage<string | object | null> {
    protected storage: LocalForageInterface;
    constructor(storage: LocalForageInterface);
    getItem(key: string): Promise<string | null>;
    removeItem(key: string): Promise<void>;
    setItem(key: string, value: string | object | null): Promise<void>;
}
interface LocalForageInterface {
    getItem(key: string): Promise<string | null>;
    setItem(key: string, value: string | object | null): Promise<string | object | null>;
    removeItem(key: string): Promise<void>;
}
export {};