java.net.InetAddress#getHostName()
java.net.InetAddress#getCanonicalHostName()

java.net.InetSocketAddress#getHostName() @ Use getHostString() instead, which avoids a DNS lookup

@defaultMessage Do not violate java's access system
java.lang.Class#getDeclaredClasses() @ Do not violate java's access system: Use getClasses() instead

    assertThat(selection.routes.map { it.socketAddress.address }).containsExactly(
      ipv6_1,
      ipv4_1,
      ipv6_2,
      ipv4_2,
    )
  }

  @Test fun getHostString() {
    // Name proxy specification.
    var socketAddress = InetSocketAddress.createUnresolved("host", 1234)
    assertThat(socketAddress.socketHost).isEqualTo("host")