import { AuthCallback, IPluginAuth, Logger, PluginOptions } from '@verdaccio/types';
import { CustomConfig } from '../types/index';
export declare const DEFAULT_SLOW_VERIFY_MS = 200;
/**
 * Custom Verdaccio Authenticate Plugin.
 */
export default class AuthCustomPlugin implements IPluginAuth<CustomConfig> {
    logger: Logger;
    private users;
    private maxUsers;
    private hashConfig;
    private slowVerifyMs;
    private lastTime;
    private blobServiceClient;
    private containerClient;
    private containerName;
    private blobName;
    constructor(config: CustomConfig, options: PluginOptions<CustomConfig>);
    /**
     * Authenticate an user.
     * @param user user to log
     * @param password provided password
     * @param cb callback function
     */
    authenticate(user: string, password: string, cb: AuthCallback): void;
    /**
         * Add user
         * 1. lock file for writing (other processes can still read)
         * 2. reload .htpasswd
         * 3. write new data into .htpasswd.tmp
         * 4. move .htpasswd.tmp to .htpasswd
         * 5. reload .htpasswd
         * 6. unlock file
         *
         * @param {string} user
         * @param {string} password
         * @param {function} realCb
         * @returns {Promise<any>}
         */
    adduser(user: string, password: string, cb: AuthCallback): Promise<any>;
    /**
         * changePassword - change password for existing user.
         * @param {string} user
         * @param {string} password
         * @param {string} newPassword
         * @param {function} realCb
         * @returns {function}
         */
    changePassword(user: string, password: string, newPassword: string, cb: AuthCallback): Promise<void>;
    /**
         * Reload users
         * @param {function} callback
         */
    reload(cb: AuthCallback): Promise<void>;
}