040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree 447ee22ce6b7832a65f188d3479f0415c8b425c5	library_desugar
040000 tree 57c168781592ac871ce2a28d02e66867c6bb68dd	main
040000 tree 28b55f7713597463bd0e0252374752ccdd92fa4f	test