* modification operations, but reflects any changes to the underlying character sequence.
   *
   * @param sequence the character sequence to view as a {@code List} of characters
   * @return an {@code List<Character>} view of the character sequence
   * @since 7.0
   */
  public static List<Character> charactersOf(CharSequence sequence) {
    return new CharSequenceAsList(checkNotNull(sequence));
  }

import com.google.common.annotations.J2ktIncompatible;
import java.io.IOException;
import java.io.Reader;
import java.nio.CharBuffer;
import org.jspecify.annotations.Nullable;

/**
 * A {@link Reader} that reads the characters in a {@link CharSequence}. Like {@code StringReader},
 * but works with any {@link CharSequence}.
 *
 * @author Colin Decker
 */
// TODO(cgdecker): make this public? as a type, or a method in CharStreams?

            assertNotNull(enumInstance.info);
        }
    }

    @Test
    @DisplayName("getEntries should properly convert DFS roots with special characters")
    void testGetEntries_specialCharacters() throws Exception {
        // Create array with special character names
        netdfs.DfsEnumArray200 specialArray = new netdfs.DfsEnumArray200();
        specialArray.count = 3;
        specialArray.s = new netdfs.DfsInfo200[3];

        assertEquals(mockNotifyInfo2, response2.getNotifyInformation().get(0));
    }

    @Test
    @DisplayName("Test NotifyResponse with special characters in filenames")
    void testNotifyResponseWithSpecialCharactersInFilenames() {
        // Create notifications with special characters
        FileNotifyInformation unicodeFile = mock(FileNotifyInformation.class);

    @Test
    public void testParseQueryWithSpecialCharacters() {
        // Test query with special characters
        String query = "test+query-search";
        String field = "content";
        String[] keywords = SuggestUtil.parseQuery(query, field);
        assertNotNull(keywords);
        // Parser should handle special characters
    }

    @Test
    public void testGetTermQueryListWithNull() {

        String str = info.toString();

        // Verify type is displayed as hex
        assertNotNull(str);
        assertTrue(str.contains("type=0x"));
        // The type should be formatted as 8-character hex
        String expectedHex = String.format("%08x", type);
        assertTrue(str.toLowerCase().contains(expectedHex));
    }

    @Test
    @DisplayName("Test with empty strings")

    // Host names are special:
    //
    //  * Several characters are forbidden and must throw exceptions if used.
    //  * They don't use percent escaping at all.
    //  * They use punycode for internationalization.
    //  * URI is much more strict than HttpUrl or URL on what's accepted.
    //
    // HttpUrl is quite lenient with what characters it accepts. In particular, characters like '{'

    abstract Table<String, Integer, Character> createTable();

    @Override
    @SuppressWarnings("unchecked")
    public Cell<String, Integer, Character>[] createArray(int length) {
      return (Cell<String, Integer, Character>[]) new Cell<?, ?, ?>[length];
    }

    @Override
    public List<Cell<String, Integer, Character>> order(
        List<Cell<String, Integer, Character>> insertionOrder) {

    abstract Table<String, Integer, Character> createTable();

    @Override
    @SuppressWarnings("unchecked")
    public Cell<String, Integer, Character>[] createArray(int length) {
      return (Cell<String, Integer, Character>[]) new Cell<?, ?, ?>[length];
    }

    @Override
    public List<Cell<String, Integer, Character>> order(
        List<Cell<String, Integer, Character>> insertionOrder) {

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.isCrawlerDocumentDuplicateTermRemoved();
    }

    /**
     * Gets the array of space character codes from configuration.
     *
     * @return array of character codes to be treated as spaces
     */
    protected int[] getSpaceChars() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();