040000 tree bf1e068442d9fa6fa6e4d144a945555921b65a32	model
040000 tree 90a93a4a0538d63f7bae1ac7a7e3652029cc6e0e	registry
040000 tree a42d13ad049af9b06ee348c91d3e650ec595e305	transport
040000 tree cd61e2952a5d4ad536758d68a9e956db90721c79	util