040000 tree cf3fd0e6feb389085fc79a0803f0b48c3e8483e2	aggregators
040000 tree 5cd679df273a4c54a6adb3e2d37ab80060dbb0e8	base
040000 tree a3d7b0c4455db0c658351a124393998aa47ea3ff	evaluators
040000 tree 486decb82a6239ea1f14845854f6e4f7085fe5ed	operators
040000 tree b0a9d6b4ee6977fdf6f30403f92160b50388ccb9	serializer
040000 tree 6cab510d7eca51fd101e4d9fb396664c75fa6c95	writers