{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"type"}]}
            type Result = ControlFlow<&'tcx Expr<'tcx>>;
        impl<'tcx> Visitor<'tcx> for Finder {
            fn visit_expr(&mut self, e: &'tcx hir::Expr<'tcx>) -> Self::Result {