{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"lint_callback!(self,"}]}
        lint_callback!(self, check_mod, m, n);
    fn process_mod(&mut self, m: &'tcx hir::Mod<'tcx>, n: HirId) {
        hir_visit::walk_mod(self, m);