{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"for"}]}
    for (external_name, variable) in universal_regions.named_universal_regions_iter() {
    // FIXME: this two-step method is annoying, but I don't know how to avoid it.
        debug!("region {:?} has external name {:?}", variable, external_name);