throw new CrawlerSystemException("The uri is empty.");
        }

        return uri;
    }

    /**
     * Returns the character set for the given SMB file.
     *
     * @param file the SMB file
     * @return the character set
     */
    protected String getCharSet(final SmbFile file) {
        return charset;
    }

    /*
     * (non-Javadoc)
     *

        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));

    Set<Character> positive = Sets.newHashSetWithExpectedSize(chars.length);
    for (char c : chars) {
      positive.add(c);
    }
    for (int c = 0; c <= Character.MAX_VALUE; c++) {
      assertFalse(positive.contains(Character.valueOf((char) c)) ^ m.matches((char) c));
    }
  }

  static char[] randomChars(Random rand, int size) {
    Set<Character> chars = new HashSet<>(size);

package org.codelibs.fess.app.pager;

import java.io.Serializable;
import java.util.List;

import org.codelibs.fess.util.ComponentUtil;

/**
 * Pager class for character mapping management with pagination support.
 * Provides pagination functionality for character mapping lists.
 */
public class CharMappingPager implements Serializable {

    private static final long serialVersionUID = 1L;

    return asByteSource(url).read();
  }

  /**
   * Reads all characters from a URL into a {@link String}, using the given character set.
   *
   * @param url the URL to read from
   * @param charset the charset used to decode the input stream; see {@link StandardCharsets} for
   *     helpful predefined constants
   * @return a string containing all the characters from the URL
   * @throws IOException if an I/O error occurs.
   */

        BytesRef matchOutput = null;

        int index = 0;
        while (start + index < src.length) {
            final int codePoint = Character.codePointAt(src, start + index, src.length);
            if (fst.findTargetArc(ignoreCase ? Character.toLowerCase(codePoint) : codePoint, scratchArc, scratchArc, fstReader) == null) {
                return matchOutput;
            }

  PRIVATE(':', ','),
  /** Public suffix that is backed by an ICANN-style domain name registry */
  REGISTRY('!', '?');

  /** The character used for an inner node in the trie encoding */
  private final char innerNodeCode;

  /** The character used for a leaf node in the trie encoding */
  private final char leafNodeCode;

  PublicSuffixType(char innerNodeCode, char leafNodeCode) {

            throw new CrawlerSystemException("The uri is empty.");
        }

        return uri;
    }

    /**
     * Returns the character set for the given SMB1 file.
     *
     * @param file the SMB1 file
     * @return the character set
     */
    protected String getCharSet(final SmbFile file) {
        return charset;
    }

    /*
     * (non-Javadoc)
     *

   *                  str -> str.substring(1).chars().mapToObj(c -> (char) c));
   *
   * // is equivalent to
   *
   * static final ImmutableSetMultimap<Character, Character> FIRST_LETTER_MULTIMAP =
   *     ImmutableSetMultimap.<Character, Character>builder()
   *         .putAll('b', Arrays.asList('a', 'n', 'a', 'n', 'a'))
   *         .putAll('a', Arrays.asList('p', 'p', 'l', 'e'))
   *         .putAll('c', Arrays.asList('a', 'r', 'r', 'o', 't'))

            .and(Equivalence.equals());
    ImmutableSetMultimap<Character, Character> empty = ImmutableSetMultimap.of();
    ImmutableSetMultimap<Character, Character> filled =
        ImmutableSetMultimap.<Character, Character>builder()
            .putAll('b', Arrays.asList('a', 'n', 'a', 'n', 'a'))
            .putAll('a', Arrays.asList('p', 'p', 'l', 'e'))