040000 tree 1ca0c1689558ff9d213b2061d9273d85697c9e67	mailrepository-api
040000 tree 082ac8a182613a6af337457a9d7bdfa5e1d3d732	mailrepository-cassandra
040000 tree c6d0fa59e942f5abd1911667ad8f71c44d30ae8f	mailrepository-memory