{"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"if"}]}
                    if let hir::ExprKind::Path(ref qpath) = path.kind
                hir::ExprKind::Call(path, _) => {
                        && let Some(def_id) = cx.qpath_res(qpath, path.hir_id).opt_def_id()