040000 tree ab94f500362a637c9c69734ffcf825a0894c1253	common
040000 tree 6de353dad1d69479816d10c044a03a9a64d3638d	rpc
040000 tree 21e8c9abe1a89a68358d9539db6f410c613e038d	service
040000 tree 11a45bb060ad5c2aa3c9b74c3948d981214c7457	test_api