040000 tree aa06832d50969b20e0d75c0b58237f1acbb7d86c	docgen
040000 tree 38cca439cada2b0ec26bdf97f14e8af6e8ab9b74	lib
040000 tree 95f14ce8228d79caed8280152f1c665dbe6d578c	skydoc
040000 tree a315cca9a2173079b5a431f141e783a538018583	skyframe