+STR
+DOC
+MAP
=VAL "v
=VAL "10000
=VAL "foo
=VAL "this is foo
=VAL "iv
+SEQ
=VAL "10
=VAL "12
-SEQ
=VAL "argv
+SEQ
=VAL "fy-tool
=VAL "--dump
=VAL "x.yaml
-SEQ
=VAL "argv2
+SEQ
=VAL "one
=VAL "two
=VAL "three
-SEQ
-MAP
-DOC
-STR