/**
 * PancakeSwap 官方 Router 交易模块 — four-meme 辅助
 *
 * 交易构建 / 报价 / 授权目标与 flap 共用 utils/pancake-router-tx。
 * decimals 不走缓存，与原先 four-meme 调用约定一致。
 */
import type { JsonRpcProvider } from 'ethers';
import type { FourPancakeProxyBatchBuySignParams } from '../types/index.js';
export { buildV2Transactions, buildV3SingleTransactions, buildV3MultiHopTransactions, batchGetV2Quotes, getApprovalTarget, } from '../../../utils/pancake-router-tx.js';
export declare function getTokenDecimals(tokenAddress: string, provider: JsonRpcProvider): Promise<number>;
export type PancakeBuyRouteFields = Pick<FourPancakeProxyBatchBuySignParams, 'v2Path' | 'v3TokenIn' | 'v3ExactTokenIn'>;
export declare function needSendBNB(routeType: FourPancakeProxyBatchBuySignParams['routeType'], params: PancakeBuyRouteFields): boolean;