{"ast_node_type":"variable","tokens":[{"end":51,"kind":"keyword","start":0,"text":"let"}]}
        let crate_items = self.hir_crate_items(());
    pub fn par_hir_for_each_module(self, f: impl Fn(LocalModDefId) + DynSend + DynSync) {
        par_for_each_in(&crate_items.submodules[..], |module| {