{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"self.dcx().emit_err(BadReturnTypeNotation::Position"}]}
                            self.dcx().emit_err(BadReturnTypeNotation::Position { span: *span });
                        GenericArgsMode::ParenSugar | GenericArgsMode::Err => {
                        }