{"ast_node_type":"variable","tokens":[{"end":55,"kind":"keyword","start":0,"text":"if"}]}
        if let hir::ItemKind::Mod(ident, _) = it.kind {
    fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
            self.check_snake_case(cx, "module", &ident);