/**
 * PancakeSwap Buy-First 交易构建 helper（从 bundle-buy-first-helpers.ts 抽取）
 */
import { ethers, Wallet } from 'ethers';
import type { MultiSwapTxParams, MultiSwapUnsignedResult, RouteParams } from './bundle-buy-first-types.js';
/**
 * ✅ 构建多笔买入和卖出交易
 */
export declare function buildMultiRouteTransactions({ routeParams, buyAmountsWei, sellAmountsWei, buyer, seller, useNativeToken, v2RouterAddress, buyAmountOutMins, sellAmountOutMins, }: MultiSwapTxParams): Promise<MultiSwapUnsignedResult>;
export declare function buildSingleBuyTx({ routeParams, buyAmount, buyer, useNativeToken, deadline, v2RouterAddress, amountOutMin, }: {
    routeParams: RouteParams;
    buyAmount: bigint;
    buyer: Wallet;
    useNativeToken: boolean;
    deadline: bigint;
    v2RouterAddress?: string;
    amountOutMin?: bigint;
}): Promise<ethers.TransactionLike>;
export declare function buildSingleSellTx({ routeParams, sellAmount, seller, useNativeToken, deadline, v2RouterAddress, amountOutMin, }: {
    routeParams: RouteParams;
    sellAmount: bigint;
    seller: Wallet;
    useNativeToken: boolean;
    deadline: bigint;
    v2RouterAddress?: string;
    amountOutMin?: bigint;
}): Promise<ethers.TransactionLike>;