{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":".chain(t.items(ctx.db()).into_iter().map(|item|"}]}
        .chain(t.items(ctx.db()).into_iter().map(|item| (item.into(), None)))
    !std::iter::once((Definition::Trait(*t), u.rename()))
        .any(|(d, rename)| used_once_in_scope(ctx, d, rename, scope))