Map<String, Integer> mapJapaneseToInteger = new HashMap<>();
    Function<String, Integer> japaneseToInteger = Functions.forMap(mapJapaneseToInteger);

    Function<Object, String> numberToSpanish = Functions.constant("Yo no se");

    Function<String, String> unusedJapaneseToSpanish =
        Functions.compose(numberToSpanish, japaneseToInteger);
  }

  private static class HashCodeFunction implements Function<@Nullable Object, Integer> {

    Map<String, Integer> mapJapaneseToInteger = new HashMap<>();
    Function<String, Integer> japaneseToInteger = Functions.forMap(mapJapaneseToInteger);

    Function<Object, String> numberToSpanish = Functions.constant("Yo no se");

    Function<String, String> unusedJapaneseToSpanish =
        Functions.compose(numberToSpanish, japaneseToInteger);
  }

  private static class HashCodeFunction implements Function<@Nullable Object, Integer> {

          "a\u7f51\u7edcA.\u7f51\u7edc.Cn", // "a网络A.网络.Cn"
          "cnn.ca",
          "cool.co.uk",
          "cool.de",
          "cool.dk",
          "cool.es",
          "cool.nl",
          "cool.se",
          "cool\uFF61fr", // Alternate dot character
          "foo.bar.google.com",
          "google.Co.uK",
          "google.com",
          "home.netscape.com",
          "it-trace.ch",

nx?sh??c!.&eugaelysatnaf,gnipparcs,liamwt,nwaps.secnatsni,revres-emag,s&nduolc,otohpym,pparevelc,seccaptf,?xsc,?0atf7b45--nx?a1l--nx??e!.&21k?apc?b&og?up??c&isp?od??dem?e&sab,uc?yg??f&ehc?orp??g&ba?ne?ro?tkm??hcet?jol?l&a&g?iciffo,s??im?ut??m&da?oc?se??n&gd?if?o&m?rga???o&csid?fni?i&r?u??rp??pprr?qisp?r&ab?bi?tn?ut??t&al?e&n?v??n&ed?o&c?do???of?qra?ra??ude?vog?xxx??beuq?n?smoc??fdh?i&lohtac?n&agro?ilc?osanap??sum?tic??l!.&gro?moc?oc?ten?ude?vog?yo,?l??m!.&mt?ossa??p1akcq--nx??n!.&mon?ossa??i?p??...