040000 tree 945c26afeeb997e6d64ff38f889e15501927ff79	cluster
040000 tree 54246c1716ef278a7df022bc7acc254ea858e782	persistence
040000 tree 5db5a8305bdd6e1f29b47242d526ec6be861c937	primitives
040000 tree a6d0a78768f3867103c2a7daa7c6739b22c3874f	service