//         │   └── part.1
//         ├── df433928-2dcf-47b1-a786-43efa0f6b424
//         │   └── part.1
//         ├── legacy
//         │   └── part.1
//         └── xl.meta

// VersionType defines the type of journal type of the current entry.
type VersionType uint8

// List of different types of journal type
const (
	invalidVersionType VersionType = 0
	ObjectType         VersionType = 1

 * loading), and fewer <a
 * href="https://github.com/google/guava/issues?q=is%3Aopen+is%3Aissue+label%3Apackage%3Dcache+label%3Atype%3Ddefect">bugs</a>.
 *
 * <p>Caffeine defines its own interfaces (<a
 * href="https://www.javadoc.io/doc/com.github.ben-manes.caffeine/caffeine/latest/com.github.benmanes.caffeine/com/github/benmanes/caffeine/cache/Cache.html">{@code
 * Cache}</a>, <a

_2016-02-06_

 *  New: WebSockets now defer some writes. This should improve performance for
    some applications.
 *  New: Override `equals()` and `hashCode()` in our new cookie class. This
    class now defines equality by value rather than by reference.
 *  New: Handle 408 responses by retrying the request. This allows servers to
    direct clients to retry rather than failing permanently.

	"github.com/minio/pkg/v3/env"
	"github.com/minio/pkg/v3/ldap"
	"github.com/minio/pkg/v3/policy"
	etcd "go.etcd.io/etcd/client/v3"
	"golang.org/x/sync/singleflight"
)

// UsersSysType - defines the type of users and groups system that is
// active on the server.
type UsersSysType string

// Types of users configured in the server.
const (
	// This mode uses the internal users system in MinIO.

	}
	if u.Credentials.IsTemp() && !u.Credentials.IsServiceAccount() {
		c.iamSTSAccountsMap[key] = u
	} else {
		c.iamUsersMap[key] = u
	}
	c.updatedAt = time.Now()
	return nil
}

// IAMStorageAPI defines an interface for the IAM persistence layer
type IAMStorageAPI interface {
	// The role of the read-write lock is to prevent go routines from
	// concurrently reading and writing the IAM storage. The (r)lock()