{"ast_node_type":"function","tokens":[{"end":81,"kind":"keyword","start":0,"text":"fn"}]}
    fn is_suggestable(self, tcx: TyCtxt<'tcx>, infer_suggestable: bool) -> bool {
    #[tracing::instrument(level = "debug", skip(tcx))]
        self.visit_with(&mut IsSuggestableVisitor { tcx, infer_suggestable }).is_continue()