{0x0F, []byte{0x0F}},
	{0xFF, []byte{0xFF, 0xFF}},
	{0xFFFF, []byte{0xFE, 0xFF, 0xFF}},
	{0xFFFFFF, []byte{0xFD, 0xFF, 0xFF, 0xFF}},
	{0xFFFFFFFF, []byte{0xFC, 0xFF, 0xFF, 0xFF, 0xFF}},
	{0xFFFFFFFFFF, []byte{0xFB, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
	{0xFFFFFFFFFFFF, []byte{0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
	{0xFFFFFFFFFFFFFF, []byte{0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},

	DLT_MPEG_2_TS                  = 0xf3
	DLT_MPLS                       = 0xdb
	DLT_MTP2                       = 0x8c
	DLT_MTP2_WITH_PHDR             = 0x8b
	DLT_MTP3                       = 0x8d
	DLT_MUX27010                   = 0xec
	DLT_NETANALYZER                = 0xf0
	DLT_NETANALYZER_TRANSPARENT    = 0xf1
	DLT_NETLINK                    = 0xfd
	DLT_NFC_LLCP                   = 0xf5
	DLT_NFLOG                      = 0xef

	}
	if len(ip) == IPv6len {
		return ip
	}
	return nil
}

// Default route masks for IPv4.
var (
	classAMask = IPv4Mask(0xff, 0, 0, 0)
	classBMask = IPv4Mask(0xff, 0xff, 0, 0)
	classCMask = IPv4Mask(0xff, 0xff, 0xff, 0)
)

// DefaultMask returns the default IP mask for the IP address ip.
// Only IPv4 addresses have default masks; DefaultMask returns

  @GwtIncompatible // Chars.fromByteArray
  public void testFromByteArray() {
    assertThat(Chars.fromByteArray(new byte[] {0x23, 0x45, (byte) 0xDC})).isEqualTo('\u2345');
    assertThat(Chars.fromByteArray(new byte[] {(byte) 0xFE, (byte) 0xDC})).isEqualTo('\uFEDC');
  }

  @GwtIncompatible // Chars.fromByteArray
  public void testFromByteArrayFails() {
    try {
      Chars.fromByteArray(new byte[Chars.BYTES - 1]);
      fail();

	0x60, 0x7b, 0xaf, 0x5e, 0x18, 0xec, 0xd5, 0x4b, 0xd9, 0xfd, 0xdf, 0xbd, 0x7a, 0x7d, 0x34, 0x5e,
	0x6c, 0xa7, 0x89, 0x3d, 0x65, 0x91, 0xf8, 0xb4, 0x7f, 0x22, 0x64, 0x83, 0xf8, 0xf4, 0xcb, 0x7e,
	0x7d, 0x65, 0x92, 0x01, 0xe0, 0x17, 0x31, 0x09, 0x04, 0x13, 0x7d, 0x3b, 0x6f, 0xa5, 0xd6, 0x86,
	0x73, 0x87, 0x8a, 0x44, 0xf3, 0x70, 0xaa, 0x4d, 0xfb, 0x55, 0xb0, 0x04, 0x96, 0x67, 0x6d, 0xf9,

		{"a/b/c/", []int{3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 1, 2}},
		{"/a/b/c", []int{6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 1, 2, 3, 4, 5}},
		{string([]byte{0xff, 0xfe, 0xfd}), []int{15, 16, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}},
	}

	// Tests hashing order to be consistent.
	for i, testCase := range testCases {
		hashedOrder := hashOrder(testCase.objectName, 16)

	0xa1, 0x99, 0x9d, 0xf5, 0x3a, 0x4e, 0x52, 0xfa, 0xef, 0x94, 0x7d, 0x7f, 0x7e, 0xbf, 0xf7, 0xf2,
	0x7b, 0xfb, 0xde, 0x1a, 0xdc, 0x1f, 0xef, 0x4a, 0xc4, 0x44, 0x40, 0x22, 0x16, 0x90, 0xc1, 0x94,
	0x49, 0xc9, 0x04, 0x0f, 0x4e, 0xb6, 0x7b, 0x54, 0x91, 0xed, 0x60, 0x48, 0x39, 0x8d, 0x89, 0xa2,
	0x03, 0x14, 0xc5, 0x42, 0x09, 0x78, 0x2f, 0xcd, 0x46, 0x24, 0x62, 0x68, 0x99, 0x8d, 0x6c, 0x76,

	0xea, 0xbf, 0x65, 0x61, 0x71, 0x87, 0x76, 0xf7, 0x5f, 0xcd, 0x54, 0xf8, 0x62, 0x6c, 0x2a, 0x3c,
	0xba, 0x42, 0xdb, 0xa6, 0xbb, 0xfa, 0x6a, 0x27, 0xc3, 0xcf, 0x59, 0xf8, 0xff, 0x25, 0x8e, 0xa1,
	0xef, 0x00, 0xf9, 0xe7, 0x1a, 0x4d, 0x65, 0xf4, 0xc1, 0x64, 0x87, 0xce, 0x37, 0x69, 0xe3, 0x4e,
	0x38, 0xa8, 0xa6, 0x34, 0x2f, 0x4e, 0xb9, 0x07, 0x7d, 0xaf, 0xc1, 0x82, 0x93, 0x36, 0xb8, 0x54,

		0xf8, 0xff, 0xff, 0xff, 0xb9, 0xbd, 0x70, 0xf0, 0x8c, 0x01, 0xc8, 0xaf, 0x6e, 0x99, 0x02, 0x05,
		0xd9, 0x7b, 0xc1, 0xfc, 0x6b, 0xff, 0xa1, 0xa0, 0x87, 0x30, 0xff, 0xd9, 0xde, 0xbd, 0xd5, 0x4b,
		0xf7, 0xee, 0xfd, 0x0e, 0xe3, 0xef, 0xcd, 0x06, 0x19, 0x14, 0xf5, 0x1e, 0xce, 0xef, 0x01, 0x31,
		0x92, 0xd7, 0x82, 0x41, 0x31, 0x9c, 0x3f, 0x07, 0x02, 0xee, 0xa1, 0xaa, 0xff, 0xff, 0x9f, 0xe1,

	0x80, 0xe5, 0xba, 0x9b, 0x35, 0xf3, 0xc2, 0x49, 0x2b, 0xa2, 0xec, 0x69, 0xa1, 0x32, 0xcc, 0x12,
	0xd3, 0x8f, 0x04, 0x0c, 0xc3, 0xf3, 0x3d, 0x16, 0x0b, 0x33, 0xa7, 0x86, 0xb7, 0xc9, 0xf4, 0x23,
	0x01, 0xc3, 0xe7, 0xe7, 0x1d, 0x6d, 0xd6, 0xcc, 0xc7, 0x4e, 0x6f, 0x7e, 0x4c, 0x3f, 0x12, 0x30,
	0xd0, 0x06, 0x7d, 0x9e, 0x1f, 0x9a, 0x17, 0x7b, 0x7d, 0xf6, 0xf2, 0xd3, 0xe4, 0x96, 0x1f, 0x22,