040000 tree fc08d3c856671157c79ff66d05e19b48795292ff	bbr
040000 tree bbaaa47da8c0cf8cb8f2c47fb7f4208be6c98298	bbsim
040000 tree f81a74d8ea514fe611b36c7e6430a279d10bdf5f	bbsimctl
040000 tree 27b363c616e8cb2d47af2cfbf7bbb5de16cbf71d	common