import { TransactionReceipt, TransactionResponse } from '@ethersproject/abstract-provider';
import { Contract, ContractTransactionResponse } from 'ethers';
export default function snapshotGasCost(x: TransactionResponse | Promise<TransactionResponse> | ContractTransactionResponse | Promise<ContractTransactionResponse> | TransactionReceipt | Promise<bigint> | bigint | Contract | Promise<Contract>): Promise<void>;