040000 tree a351aae22647b649fbf6fb82d6f896c4201be6f7	docgen
040000 tree 05d73e47c87befbd2b8c1177317feb6ffe52067d	lib
040000 tree 540d5b82a6225df1591878af82256f6261c8260a	skydoc
040000 tree 6897ca0e94a2a0ad6ca4fdb943f40293732cd199	skyframe