import { PublicClient, WalletClient } from 'viem';
export declare function getErc20AllowanceAndApprove({ walletClient, publicClient, tokenAddr, amount, owner, spender, }: {
    walletClient: WalletClient;
    publicClient: PublicClient;
    tokenAddr: `0x${string}`;
    amount: bigint;
    owner: `0x${string}`;
    spender: `0x${string}`;
}): Promise<void>;
export default getErc20AllowanceAndApprove;