import { AuthPayload, StringAnyMap, StringStringMap } from './interfaces';
export declare const isEmpty: (value: any) => boolean;
export declare type PayloadEntry = [string, string];
export default class Payload implements AuthPayload {
    private PAYLOAD;
    private REVERSE_PAYLOAD;
    constructor(payload?: StringStringMap);
    create(payload: StringAnyMap): any;
    parse(payload: StringAnyMap): any;
    /**
     * Replaces the keys of a payload
     */
    private reverse(keys, payload);
}