if (username.length() > MAX_USERNAME_LENGTH) {
            throw new IllegalArgumentException("Username exceeds maximum length: " + username.length());
        }
        if (!username.isEmpty() && !VALID_USERNAME.matcher(username).matches()) {
            throw new IllegalArgumentException("Username contains invalid characters: " + username);
        }
    }

    /**
     * Validates domain name
     *

        if (lastHyphen > 0) {
            int prevHyphen = version.lastIndexOf('-', lastHyphen - 1);
            if (prevHyphen > 0) {
                Matcher m = Artifact.VERSION_FILE_PATTERN.matcher(version);
                if (m.matches()) {
                    return m.group(1) + "-" + Artifact.SNAPSHOT_VERSION;
                }
            }
        }
        return version;
    }

     * @return the extracted value, or null if no match
     */
    protected String getValue(final Pattern pattern, final String line) {
        final Matcher m = pattern.matcher(line);
        if (m.matches() && m.groupCount() > 0) {
            return m.group(1);
        }
        return null;
    }

    /**
     * Strips comments from a line (everything after '#' character).

     */
    /**
     * Gets the first rule that matches the given response data.
     * @param responseData the response data to match against
     * @return the first matching rule, or null if no rule matches
     */
    @Override
    public Rule getRule(final ResponseData responseData) {
        for (final Rule rule : ruleList) {

        // Get rule after removal
        matched = ruleManager.getRule(responseData);
        assertNull(matched); // No matching rule now

        // Add rule4 which matches
        ruleManager.addRule(rule4);
        matched = ruleManager.getRule(responseData);
        assertEquals("rule4", matched.getRuleId());
    }

    /**
     * Test rule replacement scenario
     */

			},
			expected: ErrSignatureDoesNotMatch,
		},
		// (6) Should not error signature matches with extra query params.
		{
			queryParams: map[string]string{
				"response-content-disposition": "attachment; filename=\"4K%2d4M.txt\"",
			},
			expected: ErrNone,
		},
		// (7) Should not error signature matches with no special query params.
		{
			queryParams: map[string]string{},
			expected:    ErrNone,

        scriptType = ComponentUtil.getFessConfig().getCrawlerDefaultScript();
    }

    /**
     * Determines if the given document data matches the configured match expression.
     *
     * @param map the document data as a map of field names to values
     * @return true if the document matches the expression, false otherwise
     */
    public boolean match(final Map<String, Object> map) {

    assertFailsWith<IllegalArgumentException> {
      table.map(0x110000, Buffer())
    }
  }

  @Test fun binarySearchEvenSizedRange() {
    val table = listOf(1, 3, 5, 7, 9, 11)

    // Search for matches.
    assertEquals(0, binarySearch(0, 6) { index -> 1.compareTo(table[index]) })
    assertEquals(1, binarySearch(0, 6) { index -> 3.compareTo(table[index]) })

import com.google.common.annotations.GwtCompatible;

/**
 * The subset of the {@link java.util.regex.Matcher} API which is used by this package, and also
 * shared with the {@code re2j} library. For internal use only. Please refer to the {@code Matcher}
 * javadoc for details.
 */
@GwtCompatible
abstract class CommonMatcher {
  public abstract boolean matches();

  public abstract boolean find();

  public abstract boolean find(int index);

    }

    private static boolean isOldMethod(JApiMethod jApiMethod, Map<AccessorKey, ReplacedAccessor> upgradedMethods, Pattern pattern) {
        String name = jApiMethod.getName();
        if (!pattern.matcher(name).matches()) {
            return false;
        }
        return upgradedMethods.containsKey(AccessorKey.ofOldMethod(jApiMethod));
    }