if (logger.isLoggable(FINE)) logger.fine(format("<< CONNECTION ${connectionPreface.hex()}"))
      if (CONNECTION_PREFACE != connectionPreface) {
        throw IOException("Expected a connection header but was ${connectionPreface.utf8()}")
      }
    }
  }

  @Throws(IOException::class)
  fun nextFrame(
    requireSettings: Boolean,
    handler: Handler,
  ): Boolean {
    try {
      source.require(9) // Frame header size.

The <a href="/pkg/cmd/vet"><code>go vet</code></a> tool flags certain
integer-to-string conversions as potential errors.
Library functions such as
<a href="/pkg/unicode/utf8#AppendRune"><code>utf8.AppendRune</code></a> or
<a href="/pkg/unicode/utf8#EncodeRune"><code>utf8.EncodeRune</code></a>
should be used instead.
</li>
</ol>

HSPLokio/ByteString;->rangeEquals(ILokio/ByteString;II)Z
HSPLokio/ByteString;->rangeEquals(I[BII)Z
HSPLokio/ByteString;->startsWith(Lokio/ByteString;)Z
HSPLokio/ByteString;->toAsciiLowercase()Lokio/ByteString;
HSPLokio/ByteString;->utf8()Ljava/lang/String;
HSPLokio/ByteString;->write$okio(Lokio/Buffer;II)V
HSPLokio/FileSystem;-><clinit>()V
HSPLokio/FileSystem;-><init>()V
HSPLokio/ForwardingFileSystem;-><init>(Lokio/FileSystem;)V

pkg unicode/utf8, func EncodeRune([]uint8, int32) int
pkg unicode/utf8, func FullRune([]uint8) bool
pkg unicode/utf8, func FullRuneInString(string) bool
pkg unicode/utf8, func RuneCount([]uint8) int
pkg unicode/utf8, func RuneCountInString(string) int
pkg unicode/utf8, func RuneLen(int32) int
pkg unicode/utf8, func RuneStart(uint8) bool
pkg unicode/utf8, func Valid([]uint8) bool

*   For details, see [the complete list of merged pull requests for IPv6 support](https://github.com/kubernetes/kubernetes/pulls?utf8=%E2%9C%93&q=is%3Apr+is%3Amerged+label%3Aarea%2Fipv6).

#### **IPVS**

        // ## Arrange ##
        String content = "Hello, World!";
        CurlResponse response = new CurlResponse();
        response.setEncoding("UTF-8");
        response.setContentCache(new ContentCache(content.getBytes(java.nio.charset.StandardCharsets.UTF_8)));

        // ## Act ##
        String result = response.getContentAsString();

        // ## Assert ##
        assertEquals(content, result);
    }

        url = "s3://my-bucket/path/to/file";
        exp = "my-bucket/path/to/file";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "gcs://my-bucket/path/to/file";
        exp = "my-bucket/path/to/file";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "s3://bucket/";
        exp = "bucket/";

    assertThat(MediaType.parse("text/plain; charset =utf-8").charset()).hasValue(UTF_8);
    assertThat(MediaType.parse("text/plain; charset= utf-8").charset()).hasValue(UTF_8);
    assertThat(MediaType.parse("text/plain; charset = utf-8").charset()).hasValue(UTF_8);
    assertThat(MediaType.parse("text/plain;charset =utf-8").charset()).hasValue(UTF_8);
  }

  public void testGetCharset() {

    val mediaType = "text/plain;charset=\"'utf-8'\"".toMediaType()
    if (isAndroid) {
      // Charset.forName("'utf-8'") == UTF-8
      assertEquals("UTF-8", mediaType.charsetName())
    } else {
      assertNull(mediaType.charset())
    }
  }

  @Test fun testDefaultCharset() {
    val noCharset = parse("text/plain")
    assertEquals(
      "UTF-8",
      noCharset.charset(Charsets.UTF_8)!!.name(),
    )

          // Mostly 2-byte UTF-8 sequences - "European" text
          return 0x800;
        } else if (userFriendly.matches("(?i)(?:Chinese|Han|Asian|BMP)")) {
          // Mostly 3-byte UTF-8 sequences - "Asian" text
          return Character.MIN_SUPPLEMENTARY_CODE_POINT;
        } else if (userFriendly.matches("(?i)(?:Cuneiform|rare|exotic|supplementary.*)")) {
          // Mostly 4-byte UTF-8 sequences - "rare exotic" text