040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree 447ee22ce6b7832a65f188d3479f0415c8b425c5	library_desugar
040000 tree d12f18427ccdecd436cf3092274ba99d01431d35	main
040000 tree a1c0b3b2c6685ec882c9ca80c258b6b8c250a4d1	test