import { type Deferred } from "@nats-io/nats-core/internal";
import { type Server, type Socket } from "node:net";
export type ConnectionAction = (c: Connection) => void;
export declare class Connection {
    socket: Socket | null;
    debug: boolean;
    pending: Promise<unknown>[];
    ca?: ConnectionAction;
    closed: Deferred<void>;
    static ping: Uint8Array;
    static pong: Uint8Array;
    constructor(socket: Socket, debug?: boolean, ca?: ConnectionAction);
    startReading(): void;
    processInbound(buf: Uint8Array): void;
    write(buf: Uint8Array): void;
    close(): Promise<void>;
}
export declare class TestServer {
    listener?: Server;
    port: number;
    info: Uint8Array;
    debug: boolean;
    clients: Connection[];
    accept: Deferred<void>;
    ready: Deferred<void>;
    constructor(debug?: boolean, ca?: ConnectionAction);
    getPort(): number;
    stop(): Promise<void>;
}