"authorization": []string{
					"Basic callername",
				},
			},
			expectedErrMsg: "target JWT extraction error: no bearer token exists in HTTP authorization header",
		},
		"token not authenticated": {
			token: invlidToken,
			metadata: metadata.MD{
				"clusterid": []string{primaryCluster},
				"authorization": []string{
					"Basic callername",
				},
			},

		}
		return err
	}

	return nil
}

func (h *RegistrationHandler) validateVersions(callerName, pluginName string, endpoint string, versions []string) (*utilversion.Version, error) {
	if len(versions) == 0 {
		return nil, errors.New(log("%s for CSI driver %q failed. Plugin returned an empty list for supported versions", callerName, pluginName))
	}

	// Validate version

		}
		parent = parent.parent
	}

	return raceErrors
}

// callerName gives the function name (qualified with a package path)
// for the caller after skip frames (where 0 means the current function).
func callerName(skip int) string {
	var pc [1]uintptr
	n := runtime.Callers(skip+2, pc[:]) // skip + runtime.Callers + callerName
	if n == 0 {
		panic("testing: zero callers found")
	}