040000 tree 8f0a4e5a3c8595e61eb777f889d8899612045e34	hooks
040000 tree a44374ad9008b5aa74ba46a55001499a8e9c79c7	operators
040000 tree 64079bba7c7a67da09b6d424785371d4ddd862bf	sensors
040000 tree 5a547da2c5bb595010c125a411f31e733e312255	transfers