040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree 25621f36cd82505a6077e5aa6fbba78ffb81b384	library_desugar
040000 tree e9364c5501bef45bee908a13a6570fcc40e11ce3	main
040000 tree 2e891b9d4afbb96cb40bf742dc568fadb04bc5e7	test