import { BytesLike, ethers } from "ethers";
declare function getMarketFee(provider: ethers.providers.BaseProvider, pangolinMessageHub: string): Promise<number>;
declare function buildTransactSend(provider: ethers.providers.BaseProvider, pangolinMessageHub: BytesLike, gasLimit: BigInt, fee: BigInt, // fee to cross-chain to ethereum
ethereumMessageReceivingContract: BytesLike, messagePayload: BytesLike): BytesLike;
declare function buildTransactSend2(provider: ethers.providers.JsonRpcProvider, pangolinMessageHub: string, gasLimit: BigInt, ethereumMessageReceivingContract: string, messagePayload: BytesLike): Promise<BytesLike>;
export declare const pangolinTools: {
    getMarketFee: typeof getMarketFee;
    buildTransactSend: typeof buildTransactSend;
    buildTransactSend2: typeof buildTransactSend2;
};
export {};