if kubeConfigDir == "" {
		return errors.Errorf("%s: kubeConfigDir was empty", errInvalid)
	}
	if kubeadmConfig == nil {
		return errors.Errorf("%s: kubeadmConfig was nil", errInvalid)
	}
	if name == "" {
		return errors.Errorf("%s: name was empty", errInvalid)
	}
	if spec == nil {
		return errors.Errorf("%s: spec was nil", errInvalid)
	}
	kubeConfigPath := filepath.Join(kubeConfigDir, name)

		return 0, &fs.PathError{Op: "seek", Path: f.f.name, Err: fs.ErrInvalid}
	}
	f.offset = offset
	return offset, nil
}

func (f *openFile) ReadAt(b []byte, offset int64) (int, error) {
	if offset < 0 || offset > int64(len(f.f.data)) {
		return 0, &fs.PathError{Op: "read", Path: f.f.name, Err: fs.ErrInvalid}
	}
	n := copy(b, f.f.data[offset:])
	if n < len(b) {
		return n, io.EOF
	}

	stopFn := globalSftpMetrics.log(r, f.AccessKey())
	defer stopFn(0, err)

	flags := r.Pflags()
	if !flags.Read {
		// sanity check
		return nil, os.ErrInvalid
	}

	bucket, object := path2BucketObject(r.Filepath)
	if bucket == "" {
		return nil, errors.New("bucket name cannot be empty")
	}

	clnt, err := f.getMinIOClient()
	if err != nil {

				gzip.ErrHeader, gzip.ErrChecksum,
				s2.ErrCorrupt, s2.ErrUnsupported, s2.ErrCRC,
				zstd.ErrBlockTooSmall, zstd.ErrMagicMismatch, zstd.ErrWindowSizeExceeded, zstd.ErrUnknownDictionary, zstd.ErrWindowSizeTooSmall,
				lz4.ErrInvalid, lz4.ErrBlockDependency,
			}
			for _, e := range errs {
				if errors.Is(err, e) {
					return errInvalidCompression(err, s3Select.Input.CompressionType)
				}
			}
			return err
		}
		return nil