040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree 447ee22ce6b7832a65f188d3479f0415c8b425c5	library_desugar
040000 tree 866d664887c43686503223ec61fbf142811cb347	main
040000 tree 8a33bb3a944fdd4d3b2465ee70bb01c4ce76c247	test