040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 04989b0218ac20dfa427f565c538798472f22933	keepanno
040000 tree dff800c46477d370e1efa98c8b6298cf4414028d	library_desugar
040000 tree efd2d3455707400fd732d02ab56aff8496595877	main
040000 tree 3d46795d9bc8c2468191d1f6108c84785cd9c814	test