/// <reference types="node" />
import { Connection, PublicKey } from '@solana/web3.js';
export declare function getSerumCacheData(connection: Connection): Promise<{
    marketInfos: never[] | {
        publicKey: PublicKey;
        accountInfo: import("@solana/web3.js").AccountInfo<Buffer>;
    }[];
} | {
    marketInfos?: undefined;
}>;
export declare function getSerumMarkets(data: any): Promise<any>;