040000 tree 4e9ba01a9e14ce1845c234544b559b64fdcfdb48	common
040000 tree 8441e924df0112851a64b0010446749eab9cf96c	discover
040000 tree f116eb840a36983016b44d5df4833d7d99110b4b	icd
040000 tree 4cd3de4d48c57fec01b5b7f47c1eaeb4d98981b9	pairing