{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"if"}]}
        if matches!(ty_context, TyContext::ReturnTy(_)) {
    fn visit_ty(&mut self, ty: &mut Ty<'tcx>, ty_context: TyContext) {
            // We will renumber the return ty when called again with `TyContext::LocalDecl`