import { Web3Provider } from '@ethersproject/providers';
import { formatEther, parseEther, formatUnits, parseUnits } from '@ethersproject/units';
import { WalletLibrary } from '../types/WalletLibrary';
import { MetamaskContract } from '../contract';
export declare class MetamaskLibrary extends WalletLibrary<Web3Provider> {
    getBalanceOf(address: string): Promise<string>;
    getBlockNumber(): Promise<number>;
    transfer(from: string, to: string, value: number): Promise<boolean>;
    contract(jsonInterface: any, address: string, account?: string): MetamaskContract;
}
export { formatEther, parseEther, formatUnits, parseUnits };