040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 25d3649e1d5c4f5390c31e2ac6f2f0e8177a215d	main
040000 tree 1e562a87cb26786e1cf994252d0a68558587329c	test