// Even though we sent `ref-prefix`, listed refs must still be

    // filtered, since `ref-prefix` is just an optimization hint.

    // See <https://git-scm.com/docs/protocol-v2#_ls_refs>.

    let refs = refs

        .into_iter()

        .filter(|r| {

            let (refname, _, _) = r.unpack();

            config

                .prefixes

                .iter()

                .any(|prefix| refname.starts_with(prefix))

        })

        .collect();