private IncomingChangeListData readIncomingChangeListData(final long indexOffset, final IndexEntry e) throws IOException {
    IncomingChangeListData data = new IncomingChangeListData();
    data.indexOffset = indexOffset;
    data.indexEntry = e;
    data.changeList = loadChangeListAt(e.offset);
    readPartial(data);
    return data;
  }
private IncomingChangeListData readIncomingChangeListData(final long indexOffset, final IndexEntry e)