{"ast_node_type":"variable","tokens":[{"end":88,"kind":"keyword","start":0,"text":"if"}]}
                        if let Some((kind, _span)) = self.diag_metadata.current_function
                        let mut sugg = vec![(lt.span, String::new())];
                            && let FnKind::Fn(_, _, ast::Fn { sig, .. }) = kind