// When
        DfFinalTimeZoneProvider provider = curtainBeforeHook.createFinalTimeZoneProvider();

        // Then
        TimeZone first = provider.provide();
        TimeZone second = provider.provide();
        assertSame("Provider should return the same TimeZone instance", first, second);
    }

    public void test_createFinalTimeZoneProvider_toStringContainsTimeZoneId() {
        // When

        // test that it consistently returns null for any input
        assertNull(invokeMethod(provider, "findOnMainSchema", "TestClassification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", ""));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Some.Classification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Project.TestClassification"));
    }

        FessJsonResourceProvider provider1 = new FessJsonResourceProvider();
        FessJsonResourceProvider provider2 = new FessJsonResourceProvider();

        assertNotSame(provider1, provider2);

        // Both instances should have the same behavior
        assertEquals(provider1.isNullsSuppressed(), provider2.isNullsSuppressed());
        assertEquals(provider1.isPrettyPrintSuppressed(), provider2.isPrettyPrintSuppressed());

import org.codelibs.fess.app.web.api.FessApiAction;
import org.codelibs.fess.exception.InvalidAccessTokenException;

/**
 * Abstract base class for admin API actions in Fess.
 * This class extends FessApiAction to provide admin-specific functionality
 * including enhanced access control for administrative operations.
 *
 * <p>Admin API actions require special permissions and access tokens

import org.opensearch.common.unit.TimeValue;

/**
 * Monitor target for tracking hot threads in the OpenSearch cluster.
 * This class extends MonitorTarget to provide monitoring functionality for
 * hot threads, which helps identify performance bottlenecks and resource
 * usage issues in the search engine cluster.
 */
public class HotThreadMonitorTarget extends MonitorTarget {

 * JUnit constructs the instances.
 *
 * <p>This class is emulated in GWT.
 *
 * @param <G> the type of the test generator required by this tester. An instance of G should
 *     somehow provide an instance of the class under test, plus any other information required to
 *     parameterize the test.
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked

import org.opensearch.common.settings.Settings.Builder;
import org.opensearch.transport.client.Client;

/**
 * OpenSearch client implementation specifically for crawler operations.
 * Extends FesenClient to provide search engine connectivity for the crawler components.
 */
public class CrawlerEngineClient extends FesenClient {

    /**
     * Creates a new instance of CrawlerEngineClient.
     */

   * use the copy.
   *
   * <p><b>Warning:</b> {@code predicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals. (See {@link
   * Iterables#filter(Iterable, Class)} for related functionality.)
   *

   * @param declaredType the single checked exception type declared by the calling method
   * @deprecated Use a combination of {@link #throwIfInstanceOf} and {@link #throwIfUnchecked},
   *     which togther provide the same behavior except that they reject {@code null}.
   */
  @Deprecated
  @J2ktIncompatible
  @GwtIncompatible // propagateIfInstanceOf
  public static <X extends Throwable> void propagateIfPossible(

   * copy.
   *
   * <p><b>Warning:</b> {@code keyPredicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals.
   *
   * @since 11.0
   */