/// <reference types="bn.js" />
/// <reference types="ethjs-shared" />
import BN = require('bn.js');
import { Transaction } from 'ethjs-shared';
import { Connector } from './Connector';
export declare class AccountManager {
    private readonly connector;
    private readonly accounts;
    readonly nonces: Map<string, BN>;
    readonly defaultAddress: string;
    constructor(connector: Connector, privateKey?: string);
    addAccount(privateKey: string): string;
    getNonce(address: string): Promise<BN>;
    signTransaction(transaction: Transaction): Promise<string>;
}