040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree dff800c46477d370e1efa98c8b6298cf4414028d	library_desugar
040000 tree a6f4d92c15748d9e3452049a0b2f3019ab5574b3	main
040000 tree 9b19784e143051887bf891915d981e41c03f43b0	test