{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"for"}]}
    for rhs_t in rhs.use_tree_list().into_iter().flat_map(|list| list.use_trees()) {
    use_trees.sort_unstable_by(use_tree_cmp);
        if !merge.is_tree_allowed(&rhs_t) {