040000 tree 17457a1012fff613becc4fcd6f9a6111540c51fe	core
040000 tree 983c0ac1a75abfcd12846c9bbeebafd95b6cba0e	restserver
040000 tree 3bdd405125c9c2db8ff92787473126ea21310bc7	threadpool
040000 tree 2bbac04f043c096e9e12a48d4cc660849d7065b1	util