import { Model } from 'mongoose';
export interface IUserModel extends Model<any> {
    /**
     * Retruns true if a user exists in the database according to `filter`.
     * @param  {any} filter
     * @returns {Promise<boolean>} Promise to the boolean result
     */
    userExists(filter: any): Promise<boolean>;
    /**
     * Fetch user according to `filter`.
     * @throws {UnauthorizedError}
     * @param  {any} filter
     * @returns {Promise<any>} Promise to the user fetched
     */
    getUser(filter: any): Promise<any>;
    /**
     * Return private and public user fields, user selected by `filter`.
     * @throws {UnauthorizedError}
     * @param  {any} filter
     * @returns {Promise<any>}
     */
    getUserNonInternalFields(filter: any): Promise<any>;
    /**
     * Create user from `data`.
     * @throws {EncryptionFailedError} Password encryption failed
     * @param  {any} data
     * @returns {Promise<void>}
     */
    createUser(data: any): Promise<any>;
    /**
     * Returns true if `password` is valid for the user selected by `filter`.
     * @param  {any} filter
     * @param  {string} password
     * @returns {Promise<boolean>} Promise to the result
     */
    isPasswordValid(filter: any, password: string): Promise<boolean>;
    /**
     * Sign-in user selected by `filter`.
     * @throws {UserNotFoundError}
     * @throws {TokenEncryptionError}
     * @param  {any} filter
     * @param  {string} password
     * @param  {string} privateKey
     * @returns {Promise<{ user: any; token: string; expiryDate: Date }>} Promise to the `user` data, authentication `token` and its `expiryDate`
     */
    sign(filter: any, password: string, privateKey: string): Promise<{
        user: any;
        token: string;
        expiryDate: Date;
    }>;
    /**
     * Returns a new authentication token. Should be called only after checking that user refresh token set on cookies is valid.
     * @throws {TokenEncryptionError}
     * @param  {any} filter
     * @param  {string} privateKey
     * @returns {Promise<{ token: string; expiryDate: Date }>}
     */
    refreshAuthToken(filter: any, privateKey: string): Promise<{
        expiryDate: Date;
        token: string;
        user: any;
    }>;
    /**
     * Decrypt user authentication token with the `publicKey`. If the operation works, it means that only the private key could issue the token and thus that the user is authentified.
     * Returns the user data decrypted.
     * @throws {UnauthorizedError} - token not valid
     * @param  {string} token
     * @param  {string} publicKey
     * @returns {Promise<object | string>} Promise to the user data decrypted
     */
    verify(token: string, publicKey: string): Promise<object | string>;
    /**
     * @throws {EncryptionFailedError}
     * Update user data selected by `filter`.
     * @param  {any} filter
     * @param  {any} data
     * @returns {Promise<void>}
     */
    updateUser(filter: any, data: any): Promise<void>;
    /**
     * Remove user selected by `filter`.
     * @param  {any} filter
     * @returns {Promise<void>}
     */
    removeUser(filter: any): Promise<void>;
}
declare const UserModel: IUserModel;
export default UserModel;