{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
        impl<'tcx> hir::intravisit::Visitor<'_> for FnPtrFinder<'tcx> {
            fn visit_ty(&mut self, ty: &'_ hir::Ty<'_, AmbigArg>) {