040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree 447ee22ce6b7832a65f188d3479f0415c8b425c5	library_desugar
040000 tree 95a4e784f4e8f3b9c37569921ffe0a6a74e421c6	main
040000 tree 366078b91d66fed89adcffe47fb907e4b81753fe	test