server.enqueue(pleaseAuthenticate)
    server.enqueue(pleaseAuthenticate)
    server.enqueue(pleaseAuthenticate)
    // ...then succeed the fourth time.
    server.enqueue(
      MockResponse(body = "Successful auth!"),
    )
    java.net.Authenticator.setDefault(RecordingAuthenticator())
    client =
      client
        .newBuilder()
        .authenticator(JavaNetAuthenticator())
        .build()

    }

    @Override
    public RdmaNegotiateResponse negotiate(RdmaNegotiateRequest request) throws IOException {
        // For TCP fallback, we simulate successful negotiation
        RdmaNegotiateResponse response = new RdmaNegotiateResponse();
        response.setStatus(0); // Success
        response.setSelectedVersion(request.getMaxVersion());

                    "schema": {
                        "$ref": "#/components/schemas/Message"
                    }
                }
            }
        },
        "200": {
            "description": "Successful Response",
            "content": {
                "application/json": {
                    "schema": {
                        "$ref": "#/components/schemas/Item"
                    }
                }

) {
  /**
   * Confirms that at least one of the certificates pinned for `hostname` is in `peerCertificates`.
   * Does nothing if there are no certificates pinned for `hostname`. OkHttp calls this after a
   * successful TLS handshake, but before the connection is used.
   *
   * @throws SSLPeerUnverifiedException if `peerCertificates` don't match the certificates pinned
   *     for `hostname`.
   */

            response.readBytesWireFormat(emptyBuffer, 0);
        });

        assertTrue(exception.getMessage().contains("Buffer too small"));
    }

    /**
     * Test successful parsing with valid data.
     */
    @Test
    public void testValidNegotiateResponse() throws SMBProtocolDecodingException {
        byte[] validBuffer = createValidNegotiateResponseBuffer();

                // Verify connection is working
                if (connection.getState() == RdmaConnection.RdmaConnectionState.ESTABLISHED) {
                    log.info("RDMA connection recovery successful after {} attempts", retryCount);
                    return true;
                }

            } catch (InterruptedException e) {
                log.debug("RDMA recovery interrupted");

            "get": {
                "summary": "Read Items",
                "operationId": "read_items_items__get",
                "responses": {
                    "200": {
                        "description": "Successful Response",
                        "content": {
                            "application/json": {
                                "schema": {}
                            }
                        }

            "get": {
                "summary": "Read Items",
                "operationId": "read_items_items__get",
                "responses": {
                    "200": {
                        "description": "Successful Response",
                        "content": {
                            "application/json": {
                                "schema": {}
                            }
                        }

					Help:      "Time (in milliseconds) since last successful IAM data sync",
					Type:      gaugeMetric,
				},
				Value: float64(sinceLastSyncMillis),
			},
			{
				Description: MetricDescription{
					Namespace: nodeMetricNamespace,
					Subsystem: iamSubsystem,
					Name:      "sync_successes",
					Help:      "Number of successful IAM data syncs since server uptime",
					Type:      counterMetric,

        "version": "0.1.0"
    },
    "paths": {
        "/items/": {
            "get": {
                "responses": {
                    "200": {
                        "description": "Successful Response",
                        "content": {
                            "application/json": {



...
```

#### Do czego służy OpenAPI