{"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"let"}]}
        let bounds = self.tcx.explicit_item_bounds(def_id).skip_binder();
        debug!("EncodeContext::encode_explicit_item_bounds({:?})", def_id);
        record_defaulted_array!(self.tables.explicit_item_bounds[def_id] <- bounds);