{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"err.subdiagnostic(errors::AddReturnTypeSuggestion::Add"}]}
                    err.subdiagnostic(errors::AddReturnTypeSuggestion::Add { span, found: sugg });
                } else if let Some(sugg) = suggest_impl_trait(self, self.param_env, found) {
                } else {