import { Token, TokenBody, TokenResponse } from './types';
/** @deprecated */
export declare type TokenBodyReturn<T> = TokenBody<T>;
export default interface TokenGeneratorInterface<T extends Token> {
    /**
     * This function needs no generate an access token
     */
    generateToken(parameters: unknown): Promise<TokenBodyReturn<T> | TokenResponse<T>>;
    /**
     * This function needs to refresh the current possibly expired access token
     * and return a Promise that will be resolved with a fresh access token
     */
    refreshToken(accessToken: null | T): Promise<TokenBodyReturn<T> | TokenResponse<T>>;
    /**
     * If defined, this function will be called automatically if we try to get an access token object
     * even if we did not call `generateToken` before
     */
    autoGenerateToken?(): Promise<T>;
}