import { BlockhashWithExpiryBlockHeight, Connection, Keypair, PublicKey } from "@solana/web3.js";
import { Program } from "@project-serum/anchor";
import { Auction } from "../types/auction";
export default class ProgramLoader {
    connection: Connection;
    program: Program<Auction>;
    wallet: Keypair;
    applicationState: PublicKey | null;
    constructor(programId: PublicKey, cluster: string, applicationState?: PublicKey, ownerKeypair?: Keypair);
    getRecentBlockHash(): Promise<BlockhashWithExpiryBlockHeight>;
}