import type { EntitySchema, OrmRequest, OrmResponse } from '@mostajs/orm';
import type { ITransport, TransportConfig, TransportInfo, TransportMiddleware, TransportContext } from '../core/types.js';
type OrmHandler = (req: OrmRequest, ctx: TransportContext) => Promise<OrmResponse>;
export declare class WebSocketTransport implements ITransport {
    readonly name = "ws";
    private wss;
    private config;
    private schemas;
    private middlewares;
    private ormHandler;
    private stats;
    setHandler(handler: OrmHandler): void;
    use(mw: TransportMiddleware): void;
    registerEntity(schema: EntitySchema): void;
    start(config: TransportConfig): Promise<void>;
    stop(): Promise<void>;
    getInfo(): TransportInfo;
    /** Get connected client count */
    getClientCount(): number;
    /**
     * Attach WebSocket server to an existing HTTP server.
     * Called by server.ts after Fastify starts listening.
     */
    attachToServer(httpServer: import('http').Server): void;
    /**
     * Broadcast an entity change event to all connected WebSocket clients.
     */
    broadcast(eventName: string, data: Record<string, unknown>): void;
    private handleRequest;
}
/** Factory */
export declare function createTransport(): ITransport;
export {};