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040000 tree 55c5eaa2b1592f37eff0e06b8d5523c5f0e3529a	keepanno
040000 tree b057e7c063ab1a2117c6eee1342b063084dc2234	library_desugar
040000 tree 1cbc59a0aecb1f2342385692d72785354032be43	main
040000 tree 31352c2c2e7c85bae81d52ce42227155b74a5023	resourceshrinker
040000 tree c9b9858faceebd3957f5e648feb17265c3770d62	test