.build()
    val invalidate = client.newCall(request).execute()
    assertThat(invalidate.body.string()).isEqualTo("B")
    assertThat(get(url).body.string()).isEqualTo("C")
  }

  @Test
  fun postInvalidatesCacheWithUncacheableResponse() {
    // 1. Seed the cache.
    // 2. Invalidate it with an uncacheable response.
    // 3. Expect a cache miss.

// ----------
// Enable server profiling
func (a adminAPIHandlers) StartProfilingHandler(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	// Validate request signature.
	_, adminAPIErr := checkAdminRequestAuth(ctx, r, policy.ProfilingAdminAction, "")
	if adminAPIErr != ErrNone {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(adminAPIErr), r.URL)
		return

	if err != nil {
		apiErr := errorCodes.ToAPIErr(ErrMalformedXML)
		apiErr.Description = err.Error()
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}
	// validate the request
	if err := rreq.validate(ctx, objectAPI); err != nil {
		apiErr := errorCodes.ToAPIErr(ErrMalformedXML)
		apiErr.Description = err.Error()
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}

	c.Assert(err, nil)
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusNoContent)

	// create http request to HEAD on the object.
	// this helps to validate the existence of the bucket.
	request, err = newTestSignedRequest(http.MethodHead, getHeadObjectURL(s.endPoint, bucketName, objectName),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

							reqType, bucketName, test.objectName, err)
					}
					// Validate whether the error has occurred for the expected reason.
					if want.Code != errXML.Code {
						t.Errorf("%s, Expected to fail with error \"%s\", but received \"%s\": %q.",
							reqType, want.Code, errXML.Code, errXML.Message)
					}
					// Validate the HTTP response status code  with the expected one.
					if want.HTTPStatusCode != rec.Code {

			return madmin.ReplicateAddStatus{}, errSRInvalidRequest(fmt.Errorf("all existing replicated sites must be specified - missing %s", strings.Join(diffSlc, " ")))
		}
	}

	// validate that all clusters are using the same IDP settings.
	err = c.validateIDPSettings(ctx, sites)
	if err != nil {
		return madmin.ReplicateAddStatus{}, err
	}

		}
		clnt := globalBucketTargetSys.GetRemoteTargetClient(bucket, arnStr)
		if clnt == nil {
			return sameTarget, toAPIError(ctx, BucketRemoteTargetNotFound{Bucket: bucket})
		}
		if opts.CheckRemoteBucket { // validate remote bucket
			found, err := clnt.BucketExists(ctx, arn.Bucket)
			if err != nil {
				return sameTarget, errorCodes.ToAPIErrWithErr(ErrRemoteDestinationNotFoundError, err)
			}
			if !found {

                exclude_none=exclude_none,
            )
        if is_coroutine:
            value, errors_ = field.validate(response_content, {}, loc=("response",))
        else:
            value, errors_ = await run_in_threadpool(
                field.validate, response_content, {}, loc=("response",)
            )
        if isinstance(errors_, list):
            errors.extend(errors_)

				),
				prometheus.GaugeValue,
				float64(v),
				append(values, k)...)
			if err != nil {
				// Enable for debugging
				if serverDebugLog {
					bugLogIf(GlobalContext, fmt.Errorf("unable to validate prometheus metric (%w) %v+%v", err, values, metric.Histogram))
				}
			} else {
				out <- pmetric
			}
		}
		return
	}
	metricType := prometheus.GaugeValue

* Filter out non-RestartAlways mirror pod in restart test. ([#37203](https://github.com/kubernetes/kubernetes/pull/37203), [@Random-Liu](https://github.com/Random-Liu))
* Validate volume spec before returning azure mounter ([#37018](https://github.com/kubernetes/kubernetes/pull/37018), [@rootfs](https://github.com/rootfs))