private val parameterNamesAndValues: Array<String>,
) {
  /**
   * Returns the charset of this media type, or [defaultValue] if either this media type doesn't
   * specify a charset, or if its charset is unsupported by the current runtime.
   */
  @JvmOverloads
  fun charset(defaultValue: Charset? = null): Charset? {
    val charset = parameter("charset") ?: return defaultValue

 * <ul>
 *   <li>All specified safe characters remain unchanged.
 *   <li>If {@code plusForSpace} was specified, the space character " " is converted into a plus
 *       sign {@code "+"}.
 *   <li>All other characters are converted into one or more bytes using UTF-8 encoding and each
 *       byte is then represented by the 3-character string "%XX", where "XX" is the two-digit,
 *       uppercase, hexadecimal representation of the byte value.
 * </ul>
 *

   * @throws IllegalArgumentException if {@code radix} is not between {@link Character#MIN_RADIX}
   *     and {@link Character#MAX_RADIX}.
   */
  public static String toString(long x, int radix) {
    checkArgument(
        radix >= Character.MIN_RADIX && radix <= Character.MAX_RADIX,
        "radix (%s) must be between Character.MIN_RADIX and Character.MAX_RADIX",
        radix);
    if (x == 0) {
      // Simply return "0"

 * <p>The size of the data structure used by {@link ArrayBasedCharEscaper} is proportional to the
 * highest valued character that requires escaping. For example a replacement map containing the
 * single character '{@code \}{@code u1000}' will require approximately 16K of memory. If you need
 * to create multiple escaper instances that have the same character replacement mapping consider
 * using {@link ArrayBasedEscaperMap}.
 *
 * @author Sven Mawson

    private final SuccessorsFunction<Character> delegate;
    final Multiset<Character> requestedNodes = HashMultiset.create();

    RequestSavingGraph(SuccessorsFunction<Character> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    public Iterable<? extends Character> successors(Character node) {
      requestedNodes.add(node);

    super(false, false, false, false);
  }

  @Override
  Table<Integer, String, Character> makeTable() {
    Table<Integer, String, Character> original = HashBasedTable.create();
    return unmodifiableTable(original);
  }

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {
    Table<Integer, String, Character> table = HashBasedTable.create();
    table.put(1, "foo", 'a');
    table.put(1, "bar", 'b');

  }

  /**
   * Returns the escaped form of the given character, or {@code null} if this character does not
   * need to be escaped. If an empty array is returned, this effectively strips the input character
   * from the resulting text.
   *
   * <p>If the character does not need to be escaped, this method should return {@code null}, rather
   * than a one-character array containing the character itself. This enables the escaping algorithm

    void shouldHandleNullTerminal() {
        // Should fall back to system default charset
        for (ConsoleIcon icon : ConsoleIcon.values()) {
            String result = icon.getIcon(null);
            assertNotNull(result, "Icon result should not be null for " + icon);

            // Result should be either Unicode or ASCII fallback depending on default charset
            String expectedUnicode = String.valueOf(icon.getUnicodeChar());

  abstract Iterable<ImmutableTable<Character, Integer, String>> getTestInstances();

  public final void testClear() {
    for (Table<Character, Integer, String> testInstance : getTestInstances()) {
      assertThrows(UnsupportedOperationException.class, () -> testInstance.clear());
    }
  }

  public final void testPut() {
    for (Table<Character, Integer, String> testInstance : getTestInstances()) {

    val mediaType = parse("text/plain; charset=utf-8; charset=UTF-8")
    assertEquals("UTF-8", mediaType.charsetName())
  }

  @Test fun testMultipleCharsetsReturnsFirstMatch() {
    val mediaType = parse("text/plain; charset=utf-8; charset=utf-16")
    assertEquals("UTF-8", mediaType.charsetName())
  }

  /**
   * This is invalid according to RFC 822. But it's what Chrome does and it avoids a potentially