import { Logger, Callback, Config, IPluginStorage, Token, TokenFilter, PluginOptions } from '@verdaccio/legacy-types';
import MemoryHandler, { DataHandler } from './memory-handler';
export declare type ConfigMemory = Config & {
    limit?: number;
};
export interface MemoryLocalStorage {
    secret: string;
    list: string[];
    files: DataHandler;
}
declare class LocalMemory implements IPluginStorage<ConfigMemory> {
    private path;
    private limit;
    logger: Logger;
    private data;
    config: ConfigMemory;
    constructor(config: ConfigMemory, options: PluginOptions<ConfigMemory>);
    getSecret(): Promise<string>;
    setSecret(secret: string): Promise<string | null>;
    add(name: string, cb: Callback): void;
    search(onPackage: Callback, onEnd: Callback, validateName: Function): void;
    remove(name: string, cb: Callback): void;
    get(cb: Callback): void;
    getPackageStorage(packageInfo: string): MemoryHandler;
    private _createEmtpyDatabase;
    saveToken(token: Token): Promise<void>;
    deleteToken(user: string, tokenKey: string): Promise<void>;
    readTokens(filter: TokenFilter): Promise<Token[]>;
}
export default LocalMemory;