import { JsonRpcProvider } from 'ethers';
import { ChainId, GasEstimateBridgeToL2Result, GasEstimateParams, GasEstimateSwapResult } from '../types';
import { CheckoutConfiguration } from '../config';
export declare function gasEstimator(params: GasEstimateParams, readOnlyProviders: Map<ChainId, JsonRpcProvider>, config: CheckoutConfiguration): Promise<GasEstimateSwapResult | GasEstimateBridgeToL2Result>;