040000 tree ae16504e853ea02cbd89aef780c0cf7512f485e3	ietfyang
040000 tree 8cad2f35cecd8e22bfc0d905fe6cc5e6a347f0f9	parser
040000 tree 2379d3483bc6341d392458db55137776ae53d2fd	plugin
040000 tree f82a9ffe688377b47510aac4bdeb4af6a3573e76	translator
040000 tree 4bed548faa2049ba455cb3eb974f8ddc792c73f9	utils