import { Connection, PublicKey } from "@solana/web3.js";
import { Overpass } from "./Overpass";
export declare class OverpassLoader {
    private cache;
    loadAll(conn: Connection, overpassProgramId: PublicKey): Promise<Overpass[]>;
    refreshMany(conn: Connection, wrappers: Overpass[]): Promise<void>;
    refresh(conn: Connection, wrapper: Overpass): Promise<void>;
    get(wrapperMint: PublicKey): Overpass | undefined;
    put(wrapper: Overpass): void;
    all(): Overpass[];
    clear(): void;
}