040000 tree 40bafc5ade93e7366bce01b614c4e2ea05174399	license-check
040000 tree f30810081fbb4778fb065a9fb1db5e09d8e29982	macos
040000 tree 18f4845d5e757a50d2a2b29d11bc145d47b3dda8	ubuntu
040000 tree dd633a5e8b5f64c21d8d4b7223786b0500fda4bc	windows