{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"(RLinkage::WeakAny,"}]}
        (RLinkage::WeakAny, Visibility::Default) => Linkage::Preemptible,
        (RLinkage::External, Visibility::Hidden) => Linkage::Hidden,
        _ => panic!("{:?} = {:?} {:?}", mono_item, linkage, visibility),