return
	}
	if dc.IsNil() {
		err = dc.ReadNil()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		z.Data = nil
	} else {
		z.Data, err = dc.ReadBytes(z.Data)
		if err != nil {
			err = msgp.WrapError(err, "Data")
			return
		}
		if z.Data == nil {
			z.Data = make([]byte, 0)
		}
	}
	z.NumVersions, err = dc.ReadInt()
	if err != nil {

    checkNotNull(processor);

    Closer closer = Closer.create();
    try {
      InputStream in = closer.register(openStream());
      return ByteStreams.readBytes(in, processor);
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**

      imports = "com.google.common.io.Files")
  @CanIgnoreReturnValue // some processors won't return a useful result
  @ParametricNullness
  public
  static <T extends @Nullable Object> T readBytes(File file, ByteProcessor<T> processor)
      throws IOException {
    return asByteSource(file).read(processor);
  }

  /**
   * Computes the hash code of the {@code file} using {@code hashFunction}.
   *

      imports = "com.google.common.io.Files")
  @CanIgnoreReturnValue // some processors won't return a useful result
  @ParametricNullness
  public
  static <T extends @Nullable Object> T readBytes(File file, ByteProcessor<T> processor)
      throws IOException {
    return asByteSource(file).read(processor);
  }

  /**
   * Computes the hash code of the {@code file} using {@code hashFunction}.
   *