export interface IData {
    /**
     * query or body
     */
    params?: object;
    /**
     * ms
     */
    timestamp: number;
    /**
     * api key
     */
    apiKey: string;
}
export declare function sign(data: IData, secret: string): string;
export declare function signWs(timestamp: number, secret: string): string;
declare const _sign: typeof sign & {
    ws?: typeof signWs;
};
export default _sign;