assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("example.com"))
      .isEqualTo("example.com")
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("foo.example.com"))
      .isEqualTo("example.com")
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("foo.bar.square.com"))
      .isEqualTo("bar.square.com")
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("foo.my.square.com"))

        publicSuffix = publicSuffix.replace("\\*".toRegex(), "square")
      }
      assertThat(publicSuffixDatabase.getEffectiveTldPlusOne(publicSuffix)).isNull()
      val test = "foobar.$publicSuffix"
      assertThat(publicSuffixDatabase.getEffectiveTldPlusOne(test)).isEqualTo(test)
    }
  }

  @Test
  fun publicSuffixExceptions() {
    val buffer = Buffer()
    FileSystem.SYSTEM.read(pathForTests) {

   *
   * Here are some examples:
   *
   * ```java
   * assertEquals("google.com", getEffectiveTldPlusOne("google.com"));
   * assertEquals("google.com", getEffectiveTldPlusOne("www.google.com"));
   * assertNull(getEffectiveTldPlusOne("com"));
   * assertNull(getEffectiveTldPlusOne("localhost"));
   * assertNull(getEffectiveTldPlusOne("mymacbook"));
   * ```
   *

        BootstrapDns(builder.url!!.host, hosts)
      } else {
        builder.systemDns
      }
    }

    internal fun isPrivateHost(host: String): Boolean = PublicSuffixDatabase.get().getEffectiveTldPlusOne(host) == null
  }