040000 tree 9b6a2d384985fbf13c1f3fa3cf1b981bef80ca3f	ietfyang
040000 tree f07ee1a9a965ae6860df439bb52808795e3a4bdc	parser
040000 tree 93889ad964201d7c9bac3367d51f09709022d2db	plugin
040000 tree 152df5d8983cbd69eb7b177332ca2c627bb8df7b	translator
040000 tree 0621dc081672829057895dd069544cdc71700538	utils