if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(toAPIErrorCode(ctx, err)), r.URL)
		return
	}
	ctx = lkctx.Context()
	defer nsLock.Unlock(lkctx)
	timeEnd := time.Now()

	atomic.SwapInt64(&globalLastClientPerfExtraTime, timeEnd.Sub(timeStart).Nanoseconds())

	ctx, cancel := context.WithTimeout(ctx, madmin.MaxClientPerfTimeout)
	defer cancel()
	totalRx := int64(0)
	connectTime := time.Now()

              ListenableFuture<String> a, ListenableFuture<String> b) {
            return successfulAsList(ImmutableSet.of(a, b));
          }
        };
  }

  /**
   * Very rough equivalent of a timed get, produced by calling the no-arg get method in another
   * thread and waiting a short time for it.
   *
   * <p>We need this to test the behavior of no-arg get methods without hanging the main test thread

              ListenableFuture<String> a, ListenableFuture<String> b) {
            return successfulAsList(ImmutableSet.of(a, b));
          }
        };
  }

  /**
   * Very rough equivalent of a timed get, produced by calling the no-arg get method in another
   * thread and waiting a short time for it.
   *
   * <p>We need this to test the behavior of no-arg get methods without hanging the main test thread

		cst := newClientServerTest(t, mode, HandlerFunc(func(res ResponseWriter, req *Request) {
			_, err := io.Copy(io.Discard, req.Body)
			if !errors.Is(err, os.ErrDeadlineExceeded) {
				t.Errorf("server timed out reading request body: got err %v; want os.ErrDeadlineExceeded", err)
			}
			res.Write([]byte(respBody))
		}), func(ts *httptest.Server) {
			ts.Config.ReadHeaderTimeout = -1 // don't time out while reading headers

	done := make(chan struct{})
	go func() {
		kubelet.registerWithAPIServer()
		done <- struct{}{}
	}()
	select {
	case <-time.After(wait.ForeverTestTimeout):
		assert.Fail(t, "timed out waiting for registration")
	case <-done:
		return
	}
}

func TestTryRegisterWithApiServer(t *testing.T) {
	alreadyExists := &apierrors.StatusError{

    val startNanos = System.nanoTime()
    bodySource.use {
      assertFailsWith<IOException> {
        bodySource.readByte()
      }.also { expected ->
        // Timed out as expected.
        val elapsedNanos = System.nanoTime() - startNanos
        val elapsedMillis = TimeUnit.NANOSECONDS.toMillis(elapsedNanos)
        assertThat(elapsedMillis).isLessThan(500)
      }
    }
  }

	return &timeoutHandler{
		handler: h,
		body:    msg,
		dt:      dt,
	}
}

// ErrHandlerTimeout is returned on [ResponseWriter] Write calls
// in handlers which have timed out.
var ErrHandlerTimeout = errors.New("http: Handler timeout")

type timeoutHandler struct {
	handler Handler
	body    string
	dt      time.Duration