K k7,
      V v7,
      K k8,
      V v8,
      K k9,
      V v9) {
    return new Builder<K, V>(Ordering.natural())
        .put(k1, v1)
        .put(k2, v2)
        .put(k3, v3)
        .put(k4, v4)
        .put(k5, v5)
        .put(k6, v6)
        .put(k7, v7)
        .put(k8, v8)
        .put(k9, v9)
        .build();
  }