Issues making variant of Virtualized DataGrid

[alton-browsing]

Is it possible to make a variant of the DataGrid in this repo? I am trying to utilize this DataGrid as it does have virtualization but also add more features on top of it but it doesn't look like this library exposes access to the renderDataGrid_unstable function nor the context providers in this repo making it difficult to make edits internally unless we copy/paste a lot of the code within the repo which i would like to avoid. Are there any suggestions here?