{"ast_node_type":"variable","tokens":[{"end":68,"kind":"keyword","start":0,"text":"if"}]}
                        if let ExprKind::Path(ref qpath) = path.kind
                    ExprKind::Call(path, [])
                            && let Some(def_id) = cx.qpath_res(qpath, path.hir_id).opt_def_id()