}
    check(rule.indexOf(WILDCARD_CHAR, 1) == -1) {
      """Wildcard Assertion Failure: '$rule'
A wildcard rule was added with multiple wildcards! We'll need to change ${PublicSuffixDatabase::class.java.name} to handle this."""
    }
    check(rule.length != 1) {
      """Wildcard Assertion Failure: '$rule'

import org.codelibs.core.stream.StreamUtil.StreamOf;
import org.codelibs.fess.auth.chain.AuthenticationChain;
import org.codelibs.fess.opensearch.user.exentity.User;

/**
 * Manages authentication operations across multiple authentication chains.
 * This class coordinates user operations across different authentication providers.
 */
public class AuthenticationManager {
    /** Array of authentication chains to process user operations. */

        }
    }

    public void test_process_multipleThreads() throws Exception {
        // Test process method with multiple threads
        ThumbnailGenerator.Options options = new ThumbnailGenerator.Options();
        options.numOfThreads = 4;
        options.cleanup = false;

        // Setup mock components with counter

        assertNotNull(queryBuilder1);
        assertTrue(queryBuilder1 instanceof WildcardQueryBuilder);
        // Query was processed successfully

        // Test with multiple wildcards
        QueryContext queryContext2 = new QueryContext("*te*st*", false);
        WildcardQuery wildcardQuery2 = new WildcardQuery(new Term("content", "*te*st*"));

        assertNull(existingItem.getNewInput());
        assertEquals("existingword", existingItem.toLineString());
    }

    public void test_multipleUpdates() {
        // Test multiple updates to newInput
        StopwordsItem item = new StopwordsItem(1, "original");

        item.setNewInput("first");
        assertEquals("first", item.toLineString());
        assertTrue(item.isUpdated());

    }

    // ensures that the number of invocations looks sane
    void assertInvariants(int expectedBytes) {
      // we should have seen as many bytes as the next multiple of chunk after expectedBytes - 1
      assertEquals(out.toByteArray().length, ceilToMultiple(expectedBytes, chunkSize));
      assertEquals(expectedBytes / chunkSize, processCalled);

 * string {@code "Foo<Bar>"}.
 *
 * <p>A {@code CharEscaper} instance is required to be stateless, and safe when used concurrently by
 * multiple threads.
 *
 * <p>Popular escapers are defined as constants in classes like {@link
 * com.google.common.html.HtmlEscapers} and {@link com.google.common.xml.XmlEscapers}. To create

     * this client silently recovers from the following problems:
     *
     * * **Unreachable IP addresses.** If the URL's host has multiple IP addresses,
     *   failure to reach any individual IP address doesn't fail the overall request. This can
     *   increase availability of multi-homed services.
     *

 * This class coordinates the execution of data store crawling processes,
 * managing multiple concurrent crawling threads and handling the indexing
 * of crawled documents into the search engine.
 *
 * <p>The DataIndexHelper supports:</p>
 * <ul>
 *   <li>Concurrent crawling of multiple data configurations</li>
 *   <li>Thread pool management for crawler execution</li>

        assertNotNull(originHeaders);
        assertTrue(originHeaders.contains(testOrigin));
    }

    // Test process method with multiple origins
    public void test_processWithMultipleOrigins() {
        String[] testOrigins = { "https://example.com", "https://test.example.com", "http://localhost:8080" };

        for (String origin : testOrigins) {