return fmt.Errorf(`invalid header %q: header cannot have ":" prefix`, name)
	}
	return nil
}

// ValidateHTTPHeaderOperationName validates a header name when used to remove from request or modify response.
func ValidateHTTPHeaderOperationName(name string) error {
	if name == "" {
		return fmt.Errorf("header name cannot be empty")
	}
	if strings.EqualFold(name, "host") {