import Big from 'big.js';
import { JsonRpcApiProvider } from 'ethers';
import { Asset, AppConfig, Blockchain } from '../types/config.js';

declare const AVERAGE_TRANSFER_TX_GAS_USAGE = 40000n;
/**
 * NOTE: These estimates are only supposed to be used to approximate
 * the network fees in the UI.
 *
 * DO NOT use them as `gasLimit` prop on the transactions!
 */
declare function estimateGas(amount: Big, account: string, asset: Asset, providers: {
    ethereum: JsonRpcApiProvider;
    avalanche: JsonRpcApiProvider;
}, config: AppConfig, sourceBlockchain: Blockchain, withSigner?: boolean): Promise<bigint | undefined>;

export { AVERAGE_TRANSFER_TX_GAS_USAGE, estimateGas };