{"ast_node_type":"variable","tokens":[{"end":98,"kind":"keyword","start":0,"text":"let"}]}
            let parent = module.parent.unwrap_or_else(|| self.expn_def_scope(ctxt.remove_mark()));
        while module.span.ctxt().normalize_to_macros_2_0() != *ctxt {
            module = self.expect_module(parent.nearest_parent_mod());