{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"sugg"}]}
                                sugg = vec![(span.with_hi(mut_ty.ty.span.lo()), String::new())];
                                // fn g<'a>(mut x: impl Iterator<Item = &'_ ()>) -> Option<()>
                                owned_sugg = true;