040000 tree 26e3dec9dc860f532005a0428967012c4d1b6504	dist
040000 tree c6b7af4ea44bcab25f393c6eb9d304fb3de5dc64	persistence
040000 tree 179af69a345fd493da3cf03ddc8d6021a85776f4	primitives
040000 tree 04217c4fa7fa65ec81664c8ff4bd0421caa4fe6f	serializers