func getGubernatorMetadata(toBeAssigned []string) string {
	bytes, err := json.Marshal(map[string][]string{"approvers": toBeAssigned})
	if err == nil {
		return fmt.Sprintf("\n<!-- META=%s -->", bytes)
	}
	return ""
}
func getGubernatorMetadata(toBeAssigned []string) string {
	bytes, err := json.Marshal(map[string][]string{"approvers": toBeAssigned})
	if err == nil {
		return fmt.Sprintf("\n<!-- META=%s -->", bytes)
	}
	return ""
}
// getGubernatorMetadata returns a JSON string with machine-readable information about approvers.
// This MUST be kept in sync with gubernator/github/classifier.py, particularly get_approvers.