import type { ISmartServeInstance } from '../core/smartserve.interfaces.js';
import { BaseAdapter, type IAdapterCharacteristics, type TRequestHandler } from './adapter.base.js';
/**
 * Bun adapter - zero overhead, native Request/Response
 */
export declare class BunAdapter extends BaseAdapter {
    private server;
    private webSocketHeartbeatStates;
    get name(): 'bun';
    get characteristics(): IAdapterCharacteristics;
    isSupported(): boolean;
    start(handler: TRequestHandler): Promise<ISmartServeInstance>;
    stop(): Promise<void>;
    private createWebSocketHandler;
    private setupBunWebSocketHeartbeat;
    private clearBunPongTimeout;
    private clearBunWebSocketHeartbeat;
    private clearBunWebSocketHeartbeatByKey;
    private clearAllWebSocketHeartbeats;
    private wrapBunWebSocket;
    private getBunWebSocketData;
}