{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"abi:"}]}
                abi: fm.abi.map_or(ExternAbi::FALLBACK, |abi| self.lower_abi(abi)),
            ItemKind::ForeignMod(fm) => hir::ItemKind::ForeignMod {
                items: self