{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"expect_variant,"}]}
        expect_variant,       &'hir Variant<'hir>,      Node::Variant(n),      n;
        expect_impl_item,     &'hir ImplItem<'hir>,     Node::ImplItem(n),     n;
        expect_field,         &'hir FieldDef<'hir>,     Node::Field(n),        n;