import { JsonRpcProvider } from '@ethersproject/providers';
import { PrefixedHexString } from 'ethereumjs-util';
import { TypedMessage } from '@metamask/eth-sig-util';
import { Address, RelayRequest, RLPEncodedTransaction } from '@opengsn/common';
import { GSNConfig } from './GSNConfigurator';
export interface AccountKeypair {
    privateKey: PrefixedHexString;
    address: Address;
}
export declare class AccountManager {
    private readonly provider;
    private readonly accounts;
    private readonly config;
    readonly chainId: number;
    constructor(provider: JsonRpcProvider, chainId: number, config: GSNConfig);
    addAccount(privateKey: PrefixedHexString): AccountKeypair;
    newAccount(): AccountKeypair;
    signMessage(message: string, from: Address): PrefixedHexString;
    signTransaction(transactionConfig: TransactionConfig, from: Address): RLPEncodedTransaction;
    private findPrivateKey;
    signTypedData(typedMessage: TypedMessage<any>, from: Address): PrefixedHexString;
    sign(domainSeparatorName: string, relayRequest: RelayRequest): Promise<PrefixedHexString>;
    _signWithProvider(signedData: any): Promise<string>;
    _signWithControlledKey(privateKey: PrefixedHexString, signedData: TypedMessage<any>): string;
    getAccounts(): string[];
}