import { Address, Hex, PublicClient } from 'viem';
import { Wallet } from '../../clients/contracts';
import { erc20ABI } from '../../generated/blockchain/v5';
import { BaseContract } from './BaseContract';
export declare class Erc20 extends BaseContract<typeof erc20ABI> {
    constructor({ address, walletClient, publicClient, }: {
        address: Address;
        walletClient: Wallet;
        publicClient?: PublicClient;
    });
    decodeApproveCalldata(calldata: Hex): readonly [spender: `0x${string}`, amount: bigint];
}