import { ethers } from 'ethers';
export type TransferParams = {
    to: string;
    amount: string;
    tokenAddress?: string;
};
export declare const transfer: (params: TransferParams, wallet: ethers.Wallet) => Promise<any>;
export declare const approve: (spender: string, amount: string, tokenAddress: string, wallet: ethers.Wallet) => Promise<any>;