{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"self.inner.borrow_mut().opaque_types().opaque_types_added_since(num_entries)"}]}
            self.inner.borrow_mut().opaque_types().opaque_types_added_since(num_entries)
        for (key, hidden_type) in
        {