peerRESTBuckets         = "buckets"
	peerRESTUser            = "user"
	peerRESTGroup           = "group"
	peerRESTUserTemp        = "user-temp"
	peerRESTPolicy          = "policy"
	peerRESTUserOrGroup     = "user-or-group"
	peerRESTUserType        = "user-type"
	peerRESTIsGroup         = "is-group"
	peerRESTSignal          = "signal"
	peerRESTSubSys          = "sub-sys"
	peerRESTProfiler        = "profiler"

		// Add/Remove members from group
		adminRouter.Methods(http.MethodPut).Path(adminVersion + "/update-group-members").HandlerFunc(adminMiddleware(adminAPI.UpdateGroupMembers))

		// Get Group
		adminRouter.Methods(http.MethodGet).Path(adminVersion+"/group").HandlerFunc(adminMiddleware(adminAPI.GetGroup)).Queries("group", "{group:.*}")

		// List Groups

        group = ciGroup
    }

    register("allVersionsCrossVersionTest") {
        description = "Run cross-version tests against all released versions (latest patch release of each)"
        group = ciGroup
    }

    register("allVersionsIntegMultiVersionTest") {
        description = "Run all multi-version integration tests with all version to cover"
        group = ciGroup
    }

	return err
}

// PipeReader is similar to io.PipeReader with wait group
type PipeReader struct {
	*io.PipeReader
	wait func()
}

// CloseWithError close with supplied error the reader end
func (r *PipeReader) CloseWithError(err error) error {
	err = r.PipeReader.CloseWithError(err)
	r.wait()
	return err
}

// WaitPipe implements wait-group backend io.Pipe to provide

	tx.Statement.Joins = append(tx.Statement.Joins, join{Name: query, Conds: args, JoinType: joinType})
	return
}

// Group specify the group method on the find
//
//	// Select the sum age of users with given names
//	db.Model(&User{}).Select("name, sum(age) as total").Group("name").Find(&results)
func (db *DB) Group(name string) (tx *DB) {
	tx = db.getInstance()

	fields := strings.FieldsFunc(name, utils.IsInvalidDBNameChar)

		secondIndex                   bool
		expectedListKey, expectedItem string
	}{
		{"format.json", false, "format.json", ""},
		{"users/tester.json", false, "users/", "tester.json"},
		{"groups/test/group.json", false, "groups/", "test/group.json"},
		{"policydb/groups/testgroup.json", true, "policydb/groups/", "testgroup.json"},
		{
			"policydb/sts-users/uid=slash/user,ou=people,ou=swengg,dc=min,dc=io.json", true,

	"golang.org/x/sync/singleflight"
)

// BucketMetadataSys captures all bucket metadata for a given cluster.
type BucketMetadataSys struct {
	objAPI ObjectLayer

	sync.RWMutex
	initialized bool
	group       *singleflight.Group
	metadataMap map[string]BucketMetadata
}

// Count returns number of bucket metadata map entries.
func (sys *BucketMetadataSys) Count() int {
	sys.RLock()
	defer sys.RUnlock()

-   [guava-announce: Announcements of releases and upcoming significant changes](https://groups.google.com/group/guava-announce)
-   [guava-discuss: For open-ended questions and discussion](https://groups.google.com/group/guava-discuss)

## IMPORTANT WARNINGS

1.  APIs marked with the `@Beta` annotation at the class or method level are

	err = s.adm.UpdateGroupMembers(ctx, madmin.GroupAddRemove{
		Group:   "test-group",
		Members: []string{accessKey},
	})
	if err != nil {
		c.Fatalf("unable to add user to group: %v", err)
	}

	_, err = s.adm.AttachPolicy(ctx, madmin.PolicyAssociationReq{
		Policies: []string{policy},
		Group:    "test-group",
	})
	if err != nil {
		c.Fatalf("Unable to attach policy: %v", err)
	}

pkg os/user, func LookupGroup(string) (*Group, error)
pkg os/user, func LookupGroupId(string) (*Group, error)
pkg os/user, method (*User) GroupIds() ([]string, error)
pkg os/user, method (UnknownGroupError) Error() string
pkg os/user, method (UnknownGroupIdError) Error() string
pkg os/user, type Group struct
pkg os/user, type Group struct, Gid string
pkg os/user, type Group struct, Name string