{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"Annotatable::FieldDef(sf)"}]}
            Annotatable::FieldDef(sf) => visitor.visit_field_def(sf),
            Annotatable::Param(p) => visitor.visit_param(p),
            Annotatable::Variant(v) => visitor.visit_variant(v),