{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"impl<'a,"}]}
impl<'a, 'tcx> LifetimeInfoCollector<'a, 'tcx> {
    fn collect(ty: &'tcx hir::Ty<'tcx>, map: &'a mut LifetimeInfoMap<'tcx>) {