return nil, time.Time{}, err
		}
		return nil, time.Time{}, errFileNotFound
	}

	return buf, dmTime, nil
}

// ReadXL reads from path/xl.meta, does not interpret the data it read. This
// is a raw call equivalent of ReadVersion().
func (s *xlStorage) ReadXL(ctx context.Context, volume, path string, readData bool) (RawFileInfo, error) {
	volumeDir, err := s.getVolDir(volume)
	if err != nil {

Kubernetes Release Robot <******@****.***> 1718206304 +0000

    }

    public interface ReaderSupplier {
        Reader open() throws IOException;
    }

    /**
     * @deprecated use {@link #build(ReaderSupplier)}
     */
    @Deprecated
    public PluginDescriptor build(Reader reader) throws PlexusConfigurationException {
        return build(reader, null);
    }

    /**
     * @deprecated use {@link #build(ReaderSupplier, String)}
     */

// where we keep old *Readers
var readMsgpReaderPool = sync.Pool{New: func() interface{} { return &msgp.Reader{} }}

// mspNewReader returns a *Reader that reads from the provided reader.
// The reader will be buffered.
// Return with readMsgpReaderPoolPut when done.
func msgpNewReader(r io.Reader) *msgp.Reader {
	p := readMsgpReaderPool.Get().(*msgp.Reader)
	if p.R == nil {
		p.R = xbufio.NewReaderSize(r, 4<<10)
	} else {
		p.R.Reset(r)

	if isCompressed {
		wantEncryption := crypto.Requested(r.Header) || isEncrypted
		s2c, cb := newS2CompressReader(reader, actualPartSize, wantEncryption)
		idxCb = cb
		defer s2c.Close()
		reader = etag.Wrap(s2c, reader)
		length = -1
	}

	srcInfo.Reader, err = hash.NewReader(ctx, reader, length, "", "", actualPartSize)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

        val writer = ValueStore.Writer<BuildTreeModelSideEffect> { encoder, value ->
            write(encoder, value)
        }
        val reader = ValueStore.Reader { decoder ->
            read(decoder)
        }
        store.createValueStore(StateType.ModelSideEffects, writer, reader)
    }

    fun collectSideEffects(): List<BlockAddress> = entries.toList()

    fun write(sideEffect: BuildTreeModelSideEffect) {

    /**
     * Creates a new [ValueStore] that can be used to load and store multiple values.
     */
    fun <T> createValueStore(
        stateType: StateType,
        writer: ValueStore.Writer<T>,
        reader: ValueStore.Reader<T>
    ): ValueStore<T>

		compressMetadata[ReservedMetadataPrefix+"actual-size"] = strconv.FormatInt(actualSize, 10)

		reader = etag.NewReader(ctx, reader, nil, nil)
		wantEncryption := crypto.Requested(r.Header)
		s2c, cb := newS2CompressReader(reader, actualSize, wantEncryption)
		dstOpts.IndexCB = cb
		defer s2c.Close()
		reader = etag.Wrap(s2c, reader)
		length = -1
	} else {
		delete(srcInfo.UserDefined, ReservedMetadataPrefix+"compression")

    val valuesStore by lazy {
        val writer = ValueStore.Writer<V> { encoder, value ->
            write(encoder, value)
        }
        val reader = ValueStore.Reader { decoder ->
            read(decoder)
        }
        store.createValueStore(stateType, writer, reader)
    }

    private
    val previousValues = ConcurrentHashMap<K, BlockAddress>()

    private

	AppendFile(ctx context.Context, volume string, path string, buf []byte) (err error)
	CreateFile(ctx context.Context, origvolume, olume, path string, size int64, reader io.Reader) error
	ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error)
	RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error