040000 tree ae16504e853ea02cbd89aef780c0cf7512f485e3	ietfyang
040000 tree 96153b67e9d4d6211257371f04aa3c0a9a3c55f0	parser
040000 tree fe543f37aa4047fa2dad2d66a120aa226a8e961b	plugin
040000 tree 0a65882523f2fc906f21b0dbc71d0303f231736b	translator
040000 tree 4bed548faa2049ba455cb3eb974f8ddc792c73f9	utils