040000 tree 4971db071c5705857bf494dccdd93ffec6044a9a	docgen
040000 tree 6519d1ad4369964d9846236f6c3617c98c47bc29	lib
040000 tree 936725a0de681abf2a8a40e60597e13f70963ecf	skydoc
040000 tree 0ba107d198a9553cd0335a69d2203bee1c6d4d8e	skyframe