040000 tree 3399f42a08d39a88c199025f948cd0d370bf7199	docgen
040000 tree fe746df64b876f620271fc57869be4dc9a4f54ab	lib
040000 tree 60ebae0e82fda8a39bcc7d4ee99585dcff56197d	skydoc
040000 tree 76f235df74dbf29b6454e35c2076b950c4766a91	skyframe