now := UTCNow()
	credentialTemplate := "%s/%s/%s/s3/aws4_request"

	region := globalSite.Region
	accessKeyID := globalActiveCred.AccessKey
	testCases := []struct {
		queryParams map[string]string
		headers     map[string]string
		region      string
		expected    APIErrorCode
	}{
		// (0) Should error without a set URL query.
		{
			region:   globalMinioDefaultRegion,
			expected: ErrInvalidQueryParams,
		},

	EnvUpdate = "MINIO_UPDATE"

	EnvEndpoints  = "MINIO_ENDPOINTS"   // legacy
	EnvWorm       = "MINIO_WORM"        // legacy
	EnvRegion     = "MINIO_REGION"      // legacy
	EnvRegionName = "MINIO_REGION_NAME" // legacy

)

// Expiration Token durations
// These values are used to validate the expiration time range from
// either the exp claim or MINI_STS_DURATION value
const (

	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	region := globalSite.Region
	date := UTCNow()
	scope := getScope(date, region)
	credential := fmt.Sprintf("%s/%s", accessKeyID, scope)

	// Set URL query.
	query := req.URL.Query()
	query.Set("X-Amz-Algorithm", signV4Algorithm)

		if hkv.Key == key {
			return hkv, true
		}
	}
	return HelpKV{}, false
}

// DefaultComment used across all sub-systems.
const DefaultComment = "optionally add a comment to this setting"

// Region help is documented in default config
var (
	SiteHelp = HelpKVS{
		HelpKV{
			Key:         NameKey,
			Type:        "string",
			Description: `name for the site e.g. "cal-rack0"`,
			Optional:    true,
		},

	}

	cred.scope.region = credElements[1]
	// Verify if region is valid.
	sRegion := cred.scope.region
	// Region is set to be empty, we use whatever was sent by the
	// request and proceed further. This is a work-around to address
	// an important problem for ListBuckets() getting signed with
	// different regions.
	if region == "" {
		region = sRegion
	}

	VersionID    string           `json:",omitempty"` // corresponding versionID for the object
	Objects      []ObjectVersion  `json:",omitempty"` // Only set during MultiObject delete handler.
	Cred         auth.Credentials `json:"-"`
	Region       string           `json:"-"`
	Owner        bool             `json:"-"`
	AuthType     string           `json:"-"`
	tags         []KeyVal         // Any additional info not accommodated by above fields
	sync.RWMutex
}

		isDistErasure: isDistErasure,
	}
	if isDistErasure {
		return &nsMutex
	}
	nsMutex.lockMap = make(map[string]*nsLock)
	return &nsMutex
}

// nsLock - provides primitives for locking critical namespace regions.
type nsLock struct {
	ref int32
	*lsync.LRWMutex
}

// nsLockMap - namespace lock map, provides primitives to Lock,
// Unlock, RLock and RUnlock.
type nsLockMap struct {

	// the system's local character encoding happens to be.
	//
	// This flag should only be set if the user intends to encode a non-portable
	// ZIP file for a specific localized region. Otherwise, the Writer
	// automatically sets the ZIP format's UTF-8 flag for valid UTF-8 strings.
	NonUTF8 bool

	CreatorVersion uint16
	ReaderVersion  uint16
	Flags          uint16

			t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
		}
	}
}

// TestIsValidRegion - Tests validate the comparison logic for asserting whether the region from http request is valid.
func TestIsValidRegion(t *testing.T) {
	testCases := []struct {
		inputReqRegion  string
		inputConfRegion string

		expectedResult bool
	}{
		{"", "", true},

		LDAPGroupSearchFilter:  globalIAMSys.LDAPConfig.LDAP.GroupSearchFilter,
	}
	s.OpenID = globalIAMSys.OpenIDConfig.GetSettings()
	if s.OpenID.Enabled {
		s.OpenID.Region = globalSite.Region
	}
	return s
}

func (c *SiteReplicationSys) validateIDPSettings(ctx context.Context, peers []PeerSiteInfo) error {
	s := make([]madmin.IDPSettings, 0, len(peers))
	for _, v := range peers {