ContentType:      fi.Metadata["content-type"],
		ContentEncoding:  fi.Metadata["content-encoding"],
		NumVersions:      fi.NumVersions,
		SuccessorModTime: fi.SuccessorModTime,
		CacheControl:     fi.Metadata["cache-control"],
	}

	if exp, ok := fi.Metadata["expires"]; ok {
		if t, err := amztime.ParseHeader(exp); err == nil {
			objInfo.Expires = t.UTC()
		}
	}

	// Extract etag from metadata.

	return &resp, nil
}

func (s *peerRESTServer) UpdateMetacacheListingHandler(req *metacache) (*metacache, *grid.RemoteErr) {
	cache, err := localMetacacheMgr.updateCacheEntry(*req)
	if err != nil {
		return nil, grid.NewRemoteErr(err)
	}
	return &cache, nil
}

// PutBucketNotificationHandler - Set bucket policy.

			oiCache := newObjInfoCache()
			for _, exp := range toExpire {
				if exp.ExpireAll {
					toExpireAll = append(toExpireAll, exp.ObjectInfo)
					continue
				}
				// Cache ObjectInfo value via pointers for
				// subsequent use to track objects which
				// couldn't be deleted.
				od := ObjectToDelete{
					ObjectV: ObjectV{
						ObjectName: exp.Name,
						VersionID:  exp.VersionID,

	// by the Content-Type header field.
	ContentEncoding string

	// Date and time at which the object is no longer able to be cached
	Expires time.Time

	// Cache-Control - Specifies caching behavior along the request/reply chain
	CacheControl string

	// Specify object storage class
	StorageClass string

	ReplicationStatusInternal string

			Name:   e.name,
			Versions: []FileInfo{
				{
					Volume: bucket,
					Name:   e.name,
					Mode:   uint32(os.ModeDir),
				},
			},
		}, nil
	}
	// Too small gains to reuse cache here.
	return getFileInfoVersions(e.metadata, bucket, e.name, false)
}

// metaCacheEntries is a slice of metacache entries.
type metaCacheEntries []metaCacheEntry

// less function for sorting.

		}
		rData, err := xml.Marshal(*r)
		if err != nil {
			return false
		}
		if !(string(prevRData) == string(rData)) {
			return false
		}
	}
	return true
}

// cache of IAM info fetched in last SiteReplicationMetaInfo call
type srIAMCache struct {
	sync.RWMutex
	lastUpdate time.Time
	srIAMInfo  madmin.SRInfo // caches IAM info
}

		return replicateMetadata
	}

	// Compare only necessary headers
	compareKeys := []string{
		"Expires",
		"Cache-Control",
		"Content-Language",
		"Content-Disposition",
		"X-Amz-Object-Lock-Mode",
		"X-Amz-Object-Lock-Retain-Until-Date",
		"X-Amz-Object-Lock-Legal-Hold",
		"X-Amz-Website-Redirect-Location",

// dataUsageCacheV2 contains a cache of data usage entries version 2.
type dataUsageCacheV2 struct {
	Info  dataUsageCacheInfo
	Cache map[string]dataUsageEntryV2
}

// dataUsageCacheV3 contains a cache of data usage entries version 3.
type dataUsageCacheV3 struct {
	Info  dataUsageCacheInfo
	Cache map[string]dataUsageEntryV3
}

// dataUsageCacheV4 contains a cache of data usage entries version 4.

)

func TestCache(t *testing.T) {
	cache := New[time.Time]()
	t.Parallel()
	cache.InitOnce(2*time.Second, Opts{},
		func() (time.Time, error) {
			return time.Now(), nil
		},
	)

	t1, _ := cache.Get()

	t2, _ := cache.Get()

	if !t1.Equal(t2) {
		t.Fatalf("expected time to be equal: %s != %s", t1, t2)
	}

	time.Sleep(3 * time.Second)
	t3, _ := cache.Get()

	if t1.Equal(t3) {

)

// metricsCache - cache for metrics.
//
// When serving metrics, this cache is passed to the MetricsLoaderFn.
//
// This cache is used for metrics that would result in network/storage calls.
type metricsCache struct {
	dataUsageInfo       *cachevalue.Cache[DataUsageInfo]
	esetHealthResult    *cachevalue.Cache[HealthResult]
	driveMetrics        *cachevalue.Cache[storageMetrics]