echo "failed to download https://github.com/minio/mc"
		purge "${MC_BUILD_DIR}"
		exit 1
	fi

	(cd "${MC_BUILD_DIR}" && go build -o "${WORK_DIR}/mc")

	# remove mc source.
	purge "${MC_BUILD_DIR}"

	shred -n 1 -s 1M - 1>"$FILE_1_MB" 2>/dev/null
	shred -n 1 -s 65M - 1>"$FILE_65_MB" 2>/dev/null

	## version is purposefully set to '3' for minio to migrate configuration file

labels.updatedBy=Updated by
labels.updatedTime=Updated Time
labels.urls=URLs
labels.userAgent=User Agent
labels.username=Username
labels.value=Value
labels.versionNo=Version No.
labels.cronExpression=Schedule
labels.dayForCleanup=Remove Documents Before Days
labels.crawlingThreadCount=Simultaneous Crawler Config
labels.boost=Boost
labels.crawlingConfigName=Name
labels.crawlingConfigPath=Crawling Path
labels.processType=Process Type

            return g;
        }

        // now - drop vertices
        TreeSet<MetadataGraphVertex> vertices = g.getVertices();
        for (MetadataGraphVertex v : dropList) {
            vertices.remove(v);
        }

        return g;
    }

    // -------------------------------------------------------------------------------------

                .sorted(Comparator.comparing(Lifecycle::getId, comparator))
                .collect(Collectors.toList());
    }

    private Map<String, Lifecycle> lookupLifecycles() {
        // TODO: Remove the following code when maven-compat is gone
        // This code is here to ensure maven-compat's EmptyLifecycleExecutor keeps on working.
        if (lookup == null) {

	r, _, _, err := c.GetObject(ctx, s3.Bucket, s3.getDest(object), gopts)
	if err != nil {
		return nil, s3.ToObjectError(err, object)
	}
	return r, nil
}

func (s3 *warmBackendS3) Remove(ctx context.Context, object string, rv remoteVersionID) error {
	ropts := minio.RemoveObjectOptions{}
	if rv != "" {
		ropts.VersionID = string(rv)
	}
	err := s3.client.RemoveObject(ctx, s3.Bucket, s3.getDest(object), ropts)

	}
	groupInfo, err = s.adm.GetGroupDescription(ctx, group)
	if err != nil {
		c.Fatalf("group desc err: %v", err)
	}
	c.Assert(groupInfo.Name, group)

	// 7. Remove user from group and verify access is revoked.
	err = s.adm.UpdateGroupMembers(ctx, madmin.GroupAddRemove{
		Group:    group,
		Members:  []string{accessKey},
		IsRemove: true,
	})
	if err != nil {

	// Deprecated kept here for backward compatibility reasons.
	BucketSizes map[string]uint64 `json:"bucketsSizes"`

	// TierStats contains per-tier stats of all configured remote tiers
	TierStats *allTierStats `json:"tierStats,omitempty"`
}

func (dui DataUsageInfo) tierStats() []madmin.TierInfo {
	if dui.TierStats == nil {
		return nil
	}

	if globalTierConfigMgr.Empty() {

			transport.TLSClientConfig.GetClientCertificate = c.GetClientCertificate
		}
	}
	return transport, nil
}

// NewRemoteTargetHTTPTransport returns a new http configuration
// used while communicating with the remote replication targets.
func (s ConnSettings) NewRemoteTargetHTTPTransport(insecure bool) func() *http.Transport {
	tr := s.getDefaultTransport(0)

	tr.TLSHandshakeTimeout = 10 * time.Second
	tr.ResponseHeaderTimeout = 0

	//
	// TODO(aead): refactor this API call. It does not account
	// for multiple endpoints.
	Version(context.Context) (string, error)

	// APIs returns a list of APIs supported by the KMS server.
	//
	// TODO(aead): remove this API call. It's hardly useful.
	APIs(context.Context) ([]madmin.KMSAPI, error)

	// Stat returns the current KMS status.
	Status(context.Context) (map[string]madmin.ItemState, error)

    assertThat(get(url).body.string()).isEqualTo("a")
    val i = cache.urls()
    assertThat(i.next()).isEqualTo(url.toString())
    i.remove()

    // Too many calls to remove().
    assertFailsWith<IllegalStateException> {
      i.remove()
    }
  }

  @Test
  fun elementEvictedBetweenHasNextAndNext() {
    // Put a response in the cache.
    server.enqueue(