storage/tsdb/tsdb.go
func (s *ReadyStorage) Close() error {
	if x := s.Get(); x != nil {
		return x.Close()
	}
	return nil
}
func (s *ReadyStorage) Close() error {
	if x := s.Get(); x != nil {
		return x.Close()
	}
	return nil
}
// Close implements the Storage interface.