040000 tree 064494d83e34cc33a9dbd380deec3a088a2cf4bf	aggregators
040000 tree bde7e4854656453d763a803ddfc1874b8aae9288	base
040000 tree 6b84518ce797cbfcfa4ec1f8de60ce3e1800707c	evaluators
040000 tree 38678abdf2bd4881b9b7d7e0da02d2e02bd1dc5f	operators
040000 tree 7cde5d85a6077e9ca42a60086d34f812c345ad4a	serializer
040000 tree 0a99798390b62829ab0279bf71cbcf827b1be98a	writers