{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
            let static_data = self.db.static_signature(id);
        if let Some(ResolveValueResult::ValueNs(ValueNs::StaticId(id), _)) = value_or_partial {
            if static_data.flags.contains(StaticFlags::MUTABLE) {