@Override
  public void save(final @NotNull DataOutput out, final @NotNull SerializedStubTree tree) throws IOException {
    DataInputOutputUtil.writeINT(out, tree.myTreeByteLength);
    out.write(tree.myTreeBytes, 0, tree.myTreeByteLength);
    DataInputOutputUtil.writeINT(out, tree.myIndexedStubByteLength);
    out.write(tree.myIndexedStubBytes, 0, tree.myIndexedStubByteLength);
  }
@Override
  public void save(final @NotNull DataOutput out, final @NotNull SerializedStubTree tree)