040000 tree 933b873d4cf98ba43f28f8000ec95436144586ab	dist
040000 tree edc516c41ea404e0d0ba13b538619150479e2c61	persistence
040000 tree 9140206c36d4c4516a8dfc4564e0f4eac716dce4	primitives
040000 tree 071c15fd1f0e4ba022a7c779af3afad4803f84c1	serializers