import type { MessagingTransport, MessagingTransportClose } from './messaging-transport';
/**
 * WebSocket adapter for {@link MessagingTransport}. Wraps the global
 * WebSocket constructor; the client supplies the full URL (already
 * carrying the JWT + deviceId query params).
 */
export declare class WebSocketMessagingTransport implements MessagingTransport {
    private readonly url;
    readonly name: "ws";
    private ws;
    private openHandler;
    private frameHandler;
    private closeHandler;
    private errorHandler;
    constructor(url: string);
    onOpen(handler: () => void): void;
    onFrame(handler: (bytes: Uint8Array) => void): void;
    onClose(handler: (info: MessagingTransportClose) => void): void;
    onError(handler: (err: Error) => void): void;
    connect(): Promise<void>;
    send(bytes: Uint8Array): void;
    isOpen(): boolean;
    close(code?: number, reason?: string): void;
}