040000 tree 4e9ba01a9e14ce1845c234544b559b64fdcfdb48	common
040000 tree 8441e924df0112851a64b0010446749eab9cf96c	discover
040000 tree f116eb840a36983016b44d5df4833d7d99110b4b	icd
040000 tree 48b6cb938c2b268e863259e547fba1964ef3c859	pairing