import type { TunnelClient } from '../TunnelClient';
import type { TunnelRequest } from '../ClientTunnelRequest';
import type { TunnelMessage } from '../TunnelResponse';
import { Observable } from 'rxjs';
export interface TestRequest {
    accept(): void;
    close(): void;
    error(error: any): void;
    request: TunnelRequest;
}
/**
 * Defines a tunnel client that can be used for testing.
 */
export declare class TestClient implements TunnelClient {
    private _requests;
    get requests(): Observable<TestRequest>;
    open(request: TunnelRequest): Observable<TunnelMessage>;
}
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