040000 tree d51266695ca885991616adf973b033a7f450669e	docgen
040000 tree 5d46b36172bbe46c1371a3a2a4d33f1c17ce174d	lib
040000 tree 8e8cfcb488f4081be70cdca0eee845078591d0b7	skydoc
040000 tree a86f83d2e0aa0ab549eb6dcf07cf103b772756f0	skyframe