import type { TransactionRequest } from '@ethersproject/abstract-provider';
import type { TAddress } from '../../types';
import type { Wallet } from '../../wallet';
export declare class PrivateKey implements Wallet {
    private readonly privateKey;
    constructor(privateKey: string);
    signTransaction(transaction: TransactionRequest): Promise<string>;
    signMessage(message: string): Promise<string>;
    getAddress(): Promise<TAddress>;
    getPrivateKey(): Promise<string>;
}