import type { KeyPair } from "../crypto/keypair.js";
import type { NetworkNode } from "../types/peer.js";
type PullCallbacks = {
    onOfflineFriendRequest: (fromUserId: string, packet: Uint8Array, timestamp: number) => void;
    onOfflineFriendMessage: (fromUserId: string, packet: Uint8Array, timestamp: number) => void;
};
export declare class LegacyExpressClient {
    #private;
    constructor(opts: {
        nodes: NetworkNode[];
        selfKeyPair: KeyPair;
        selfUserId: string;
        selfAddress: string;
        callbacks: PullCallbacks;
    });
    hasNodes(): boolean;
    sendOfflineFriendRequest(address: string, hello: Uint8Array): Promise<void>;
    sendOfflineText(friendUserId: string, carrierPacket: Uint8Array): Promise<void>;
    pullOnce(): Promise<void>;
}
export {};