import { ISignTrxPayload, ISignedTrx } from './types';
export declare const signTrx: (payload: ISignTrxPayload) => Promise<ISignedTrx>;
export declare const getSenderPubkey: (privateKey?: string | undefined) => Promise<any>;
export declare const sign: (hash: string, params: {
    privateKey?: string | undefined;
    sign?: ((hash: string) => string | Promise<string>) | undefined;
}) => Promise<string>;