import { Adapter } from './adapters/Adapter';
export interface EncodedValue {
    expire: number;
    value: string | null;
}
export default class Storage {
    /**
     * Storage key prefix
     */
    private prefix;
    /**
     * Adapter for storing and getting values
     */
    private storeAdapter;
    /**
     *
     * @param prefix - Storage key prefix
     * @param storeAdapter - Adapter for storing and getting values
     */
    constructor(prefix?: string, storeAdapter?: Adapter);
    /**
     * Parse object saved in storage.
     *
     * @private
     * @param object - Save object
     * @param key - Key of item
     * @returns Decoded value
     */
    private _parseEncodedValue;
    get(key: string): Promise<string | Record<string, any> | null>;
    remove(key: string): Promise<void>;
    set(key: string, value: string | number | Record<string, any> | null, expire?: Date): Promise<void>;
}