import { BytesLike, Wallet } from 'ethers';
import { ChainNames } from '@biconomy/core-types';
export declare const ZERO_ADDRESS = "0x0000000000000000000000000000000000000000";
export interface WalletProvider {
    readonly type?: string;
    readonly wallet?: Wallet;
    readonly address: string;
    readonly chainName?: ChainNames;
    signMessage(message: BytesLike): Promise<string>;
}
export interface WalletLike {
    privateKey: string;
}
export type WalletProviderLike = string | WalletLike | WalletProvider;