// passing invalid bucket names.
		{"", false},
		{SlashSeparator, false},
		{"a", false},
		{"ab", false},
		{"ab/", true},
		{"......", true},
	}

	for i, testCase := range testCases {
		isValidVolname := isValidVolname(testCase.volName)
		if testCase.shouldPass && !isValidVolname {
			t.Errorf("Test case %d: Expected \"%s\" to be a valid bucket name", i+1, testCase.volName)
		}

	"io"
	"sort"
	"strings"
	"sync"
	"time"

	"github.com/cespare/xxhash/v2"
	"github.com/google/uuid"
	jsoniter "github.com/json-iterator/go"
	"github.com/minio/minio/internal/bucket/lifecycle"
	"github.com/minio/minio/internal/bucket/replication"
	"github.com/minio/minio/internal/config/storageclass"
	xhttp "github.com/minio/minio/internal/http"
	"github.com/tinylib/msgp/msgp"
)

var (
	// XL header specifies the format

github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=

				versionsHist = dataUsageInfo.BucketsUsage[bucket.Name].ObjectVersionsHistogram
			}
			// Fetch the prefix usage of the current bucket
			var prefixUsage map[string]uint64
			if enablePrefixUsage {
				prefixUsage, _ = loadPrefixUsageFromBackend(ctx, objectAPI, bucket.Name)
			}

			lcfg, _ := globalBucketObjectLockSys.Get(bucket.Name)

			objectName:     "foxdir/fooobject",
			objectModTime:  time.Now().UTC().Add(-10 * 24 * time.Hour), // Created 10 days ago
			expectedAction: NoneAction,
		},
		// Test rule with empty prefix e.g. for whole bucket
		{
			inputConfig:    `<LifecycleConfiguration><Rule><Filter><Prefix></Prefix></Filter><Status>Enabled</Status><Expiration><Days>5</Days></Expiration></Rule></LifecycleConfiguration>`,

          "expr": "sum by (server) (minio_cluster_replication_last_minute_queued_count{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{bucket}}",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeRegions": [],
      "title": "Last Minute Queued Objects",
      "tooltip": {
        "shared": true,