}

func isErrPreconditionFailed(err error) bool {
	_, ok := err.(PreConditionFailed)
	return ok
}

// isErrMethodNotAllowed - Check if error type is MethodNotAllowed.
func isErrMethodNotAllowed(err error) bool {
	var methodNotAllowed MethodNotAllowed
	return errors.As(err, &methodNotAllowed)
}

func isErrInvalidRange(err error) bool {