FFFE-FFFF; [NONCHARACTER CODE POINTS]
   1FFFE-1FFFF; [NONCHARACTER CODE POINTS]
   2FFFE-2FFFF; [NONCHARACTER CODE POINTS]
   3FFFE-3FFFF; [NONCHARACTER CODE POINTS]
   4FFFE-4FFFF; [NONCHARACTER CODE POINTS]
   5FFFE-5FFFF; [NONCHARACTER CODE POINTS]
   6FFFE-6FFFF; [NONCHARACTER CODE POINTS]
   7FFFE-7FFFF; [NONCHARACTER CODE POINTS]
   8FFFE-8FFFF; [NONCHARACTER CODE POINTS]
   9FFFE-9FFFF; [NONCHARACTER CODE POINTS]

   FD90-FD91
   FDC8-FDCF
   FDFD-FDFF
   FE10-FE1F
   FE24-FE2F
   FE47-FE48
   FE53
   FE67
   FE6C-FE6F
   FE75
   FEFD-FEFE
   FF00
   FFBF-FFC1
   FFC8-FFC9
   FFD0-FFD1
   FFD8-FFD9
   FFDD-FFDF
   FFE7
   FFEF-FFF8
   10000-102FF
   1031F
   10324-1032F
   1034B-103FF
   10426-10427
   1044E-1CFFF
   1D0F6-1D0FF
   1D127-1D129
   1D1DE-1D3FF

    val addressF = decodeIpv6("0:0:0:0:0:ffff:7f00:1")!!
    assertThat(canonicalizeInetAddress(addressF)).isEqualTo(addressB)

    val addressG = decodeIpv6("0:0:0:0:0:ffff:c0a8:1")!!
    assertThat(canonicalizeInetAddress(addressG)).isEqualTo(addressC)
  }

  @Test
  fun canonicalizeInetAddressMapped() {
    val addressAIpv6 = decodeIpv6("0:0:0:0:0:ffff:7f00:1")!!
    val addressAIpv4 = byteArrayOf(127, 0, 0, 1)

		config func(cfg *Config)
	}{
		{
			"hostprobe",
			func(cfg *Config) {
			},
		},
	}
	probeSNATipv4 := netip.MustParseAddr("169.254.7.127")
	probeSNATipv6 := netip.MustParseAddr("fd16:9254:7127:1337:ffff:ffff:ffff:ffff")

	for _, tt := range cases {
		for _, ipv6 := range []bool{false, true} {
			t.Run(tt.name+"_"+ipstr(ipv6), func(t *testing.T) {
				cfg := constructTestConfig()
				cfg.EnableIPv6 = ipv6
				tt.config(cfg)

    "input": "ශ්‍රී",
    "output": "xn--10cl1a0b660p"
  },
  {
    "input": "نامه‌ای",
    "output": "xn--mgba3gch31f060k"
  },
  {
    "comment": "U+FFFD",
    "input": "\uFFFD.com",
    "output": null
  },
  {
    "comment": "U+FFFD character encoded in Punycode",
    "input": "xn--zn7c.com",
    "output": null
  },
  {
    "comment": "Label longer than 63 code points",

	//
	// IPv6 link local ranges are designed to be collision-resistant by default, and so probably never need to be overridden
	DefaultHostProbeSNATIP   = "169.254.7.127"
	DefaultHostProbeSNATIPV6 = "fd16:9254:7127:1337:ffff:ffff:ffff:ffff"
)

type AmbientArgs struct {
	SystemNamespace string
	Revision        string
	KubeConfig      string
	ServerSocket    string
	DNSCapture      bool
	EnableIPv6      bool

      // OkHttp does not reject invalid Punycode.
      "xn--a",
      "xn--a.ß",
      "xn--a.xn--zca",
      "xn--a-yoc",
      // OkHttp doesn't reject U+FFFD encoded in Punycode.
      "xn--zn7c.com",
      // OkHttp doesn't reject a U+200D. https://www.rfc-editor.org/rfc/rfc5892.html#appendix-A.2
      "xn--1ug.example",
      // OkHttp doesn't implement CheckJoiners.

import org.junit.jupiter.api.Assumptions.assumeTrue

object TestUtil {
  @JvmField
  val UNREACHABLE_ADDRESS_IPV4 = InetSocketAddress("198.51.100.1", 8080)
  val UNREACHABLE_ADDRESS_IPV6 = InetSocketAddress("::ffff:198.51.100.1", 8080)

  /** See `org.graalvm.nativeimage.ImageInfo`. */
  @JvmStatic val isGraalVmImage = System.getProperty("org.graalvm.nativeimage.imagecode") != null

  @JvmStatic

    assertThat(stringPrep("\udbff\udffd")).isNull() // Note that this is one code point.
  }

  @Test fun prohibitionNonCharacter() {
    assertThat(stringPrep("\ufdd0")).isNull()
    assertThat(stringPrep("\ufffe")).isNull()
    assertThat(stringPrep("\udbff\udffe")).isNull()
  }

  /**
   * Because our API always transcodes through UTF-8, and that transcoding replaces unpaired

}

.user .title {
  text-align: center;
}

.user .count {
  font-size: 80%;
  text-align: center;
}

a.announce-link:link,
a.announce-link:visited {
  color: #fff;
}

a.announce-link:hover {
  color: var(--md-accent-fg-color);
}

.announce-wrapper {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
}