{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"for"}]}
        for &(index, span, used_as) in &numeric_references_to_named_arg {
    if invalid_refs.is_empty() && !has_unused && !unnamed_arg_after_named_arg {
            let (position_sp_to_replace, position_sp_for_msg) = match used_as {