{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"ForeignItemKind::Fn(func)"}]}
                    ForeignItemKind::Fn(func) => {
                        visit_visitable!($($mut)? vis, item),
                        let kind = FnKind::Fn(FnCtxt::Foreign, visibility, &$($mut)?*func);