.orElse(false);
        } catch (final InvalidAccessTokenException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid access token.", e);
            }
            return false;
        }
    }

import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;

/**
 * Action class for handling HTTP 400 Bad Request error pages.
 * This action displays error pages when a client request contains
 * invalid syntax or cannot be fulfilled due to malformed request parameters.
 */
public class ErrorBadrequrestAction extends FessSearchAction {

    /**
     * Default constructor for ErrorBadrequrestAction.
     */

        this.existNextPage = existNextPage;
    }

    /**
     * Gets the number of records to display per page.
     * If the page size is not set or is invalid, returns the default page size.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }

    public void test_init_withInvalidSSLCertificate() {
        // Create a temporary invalid certificate file
        File invalidCertFile = null;
        try {
            invalidCertFile = File.createTempFile("invalid_cert", ".crt");
            try (FileWriter writer = new FileWriter(invalidCertFile)) {
                writer.write("INVALID CERTIFICATE CONTENT");
            }

      // OkHttp does not reject invalid Punycode.
      "xn--a",
      "xn--a.ß",
      "xn--a.xn--zca",
      "xn--a-yoc",
      // OkHttp doesn't reject U+FFFD encoded in Punycode.
      "xn--zn7c.com",

        assertEquals("allinurl:", getAsQuery(Collections.singletonMap(k, new String[] { "allinurl" })));
        assertEquals("", getAsQuery(Collections.singletonMap(k, new String[] { "invalid" })));
        assertEquals("", getAsQuery(Collections.singletonMap(k, new String[] { "" })));
    }

    public void test_extraQueries() {

     *
     * @param value the comma-separated string of pruned tag configurations
     * @return an array of PrunedTag objects parsed from the input string
     * @throws FessSystemException if the input string contains invalid tag patterns
     */
    public static PrunedTag[] parse(final String value) {
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(v -> {

        currentSsoType = Constants.NONE;
        assertNull(ssoManager.getLoginCredential());
    }

    public void test_getLoginCredential_whenAvailableButNoAuthenticator() {
        currentSsoType = "invalid";
        ssoManager = new SsoManager() {
            @Override
            protected String getSsoType() {
                return currentSsoType;
            }

            @Override

 * java.util.ServiceLoader} mechanism.
 */
@GwtIncompatible
interface PatternCompiler {
  /**
   * Compiles the given pattern.
   *
   * @throws IllegalArgumentException if the pattern is invalid
   */
  @RestrictedApi(
      explanation = "PatternCompiler is an implementation detail of com.google.common.base",
      allowedOnPath = ".*/com/google/common/base/.*")
  CommonPattern compile(String pattern);

   * @param plusForSpace true if ASCII space should be escaped to {@code +} rather than {@code %20}
   * @throws IllegalArgumentException if any of the parameters were invalid
   */
  public PercentEscaper(String safeChars, boolean plusForSpace) {
    // TODO(dbeaumont): Switch to static factory methods for creation now that class is final.