*/
    public static boolean isDotQuadIP(final String hostname) {
        if (Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();
            while (i < len && Character.isDigit(data[i++])) {
                if (i == len && dots == 3) {

    public static class Config {

        /**
         * Array of parsed configuration values split by pipe character and trimmed.
         */
        private final String[] values;

        /**
         * Constructs a new Config instance by parsing the provided configuration value.
         * The value is split by pipe character (|) and each part is trimmed.
         *
         * @param value the configuration value string to parse

    }

    /**
     * Determines the character set for the given file.
     * Currently returns the default charset configured for this client.
     *
     * @param file The file to determine the charset for
     * @return The character set name
     */
    protected String getCharSet(final File file) {
        return charset;
    }

    /**
     * Gets the character encoding used for FTP operations.
     *

@GwtCompatible
@NullMarked
public class HashBasedTableColumnMapTest extends ColumnMapTests {
  public HashBasedTableColumnMapTest() {
    super(false, true, true, false);
  }

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

@GwtCompatible
@NullMarked
public class HashBasedTableRowMapTest extends RowMapTests {
  public HashBasedTableRowMapTest() {
    super(false, true, true, true);
  }

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

@GwtCompatible
@NullMarked
public class TreeBasedTableRowTest extends RowTests {
  public TreeBasedTableRowTest() {
    super(false, true, true, true, true);
  }

  @Override
  Table<Character, String, Integer> makeTable() {
    return TreeBasedTable.create();
  }

        while (i < bytes.length) {
            byte b = bytes[i];
            if ((b & 0x80) == 0) {
                // Single byte character
                chars[charIndex++] = (char) b;
                i++;
            } else if ((b & 0xE0) == 0xC0) {
                // Two byte character
                if (i + 1 < bytes.length) {
                    chars[charIndex++] = (char) (((b & 0x1F) << 6) | (bytes[i + 1] & 0x3F));

        for (int i = 0; i < password.length(); i++) {
            if (Character.isDigit(password.charAt(i))) {
                return true;
            }
        }
        return false;
    }

    /**
     * Checks if the password contains at least one special character.
     * A special character is defined as any character that is not a letter, digit, or whitespace.
     *

#
&
^
$
@
!
~
:
;
+
/
\
《
》
—
－
，
。
、
：
；
！
·
？
“
”
）
（
【
】
［
］
●
# the line below contains an IDEOGRAPHIC SPACE character (Used as a space in Chinese)
　

# English Stop Words

#

# Comma-separated list of files to include.
# Each item may be enclosed in quotes to gracefully include spaces. Items are trimmed before being loaded.
# If the first character of an item is a question mark, the load will silently fail if the file does not exist.
${includes} = ?"${maven.user.conf}/maven-user.properties", \