private ByteArrayInputStream stubBytes(int index) {
    int start = getDataStart(index);
    if (start == 0) return new ByteArrayInputStream(ArrayUtilRt.EMPTY_BYTE_ARRAY);

    int end = myAllStarts.nextSetBit(start + 1);
    if (end < 0) end = mySerializedStubs.length + 1;
    return new ByteArrayInputStream(mySerializedStubs, start - 1, end - start);
  }
private ByteArrayInputStream stubBytes(int index)