040000 tree 63324b451b07f925e576b3791364cedf46a444e8	audio
040000 tree 9471ca1763541a8ef19b4c99b78395dfbea5406a	common
040000 tree 67ea27b905e91b797a07b90d3de15f9fb065c803	control
040000 tree a5ddbe556e6ade390007bcad193b813bca7f9d75	core