{"ast_node_type":"variable","tokens":[{"end":58,"kind":"keyword","start":0,"text":"if"}]}
                            if let hir::Node::Ty(hir::Ty {
                        if let hir::LifetimeKind::ImplicitObjectLifetimeDefault = lifetime.kind {
                                kind: hir::TyKind::Ref(parent_lifetime, _),