if sessionPolicyFile != "" {
		var policy string
		if f, err := os.Open(sessionPolicyFile); err != nil {
			log.Fatalf("Unable to open session policy file: %v", err)
		} else {
			defer f.Close()
			bs, err := io.ReadAll(f)
			if err != nil {
				log.Fatalf("Error reading session policy file: %v", err)
			}
			policy = string(bs)
		}
		stsOpts.Policy = policy
	}
	if expiryDuration != 0 {

var errInvalidMaxParts = errors.New("Part number is greater than the maximum allowed 10000 parts")

// error returned for session policies > 2048

	EnvRootDiskThresholdSize      = "MINIO_ROOTDISK_THRESHOLD_SIZE" // Deprecated Sep 2023
	EnvBrowserLoginAnimation      = "MINIO_BROWSER_LOGIN_ANIMATION"
	EnvBrowserSessionDuration     = "MINIO_BROWSER_SESSION_DURATION" // Deprecated after November 2023
	EnvMinioStsDuration           = "MINIO_STS_DURATION"
	EnvMinIOLogQueryURL           = "MINIO_LOG_QUERY_URL"
	EnvMinIOLogQueryAuthToken     = "MINIO_LOG_QUERY_AUTH_TOKEN"

	AuthEndpoint                     string   `json:"authorization_endpoint,omitempty"`
	TokenEndpoint                    string   `json:"token_endpoint,omitempty"`
	EndSessionEndpoint               string   `json:"end_session_endpoint,omitempty"`
	UserInfoEndpoint                 string   `json:"userinfo_endpoint,omitempty"`
	RevocationEndpoint               string   `json:"revocation_endpoint,omitempty"`