import { Address, SignerOrProvider, WrappedTransaction } from '../types';
import { BigNumber, Contract, Signer } from 'ethers';
export declare const getErc20Contract: (contractAddress: Address, provider: SignerOrProvider) => Contract;
export declare const getDSTokenContract: (contractAddress: Address, provider: SignerOrProvider) => Contract;
export declare const getAjnaTokenContract: (provider: SignerOrProvider) => Contract;
export declare function getBalance(signer: SignerOrProvider, account: Address, contractAddress: Address): Promise<BigNumber>;
export declare function transfer(signer: Signer, to: Address, amount: BigNumber, contractAddress: Address): Promise<WrappedTransaction>;
export declare function getAjnaBalance(signer: SignerOrProvider, account: Address): Promise<BigNumber>;
export declare function transferAjna(signer: Signer, to: Address, amount: BigNumber): Promise<WrappedTransaction>;