import com.google.common.annotations.GwtCompatible;
import org.jspecify.annotations.Nullable;

/** A utility method to perform unchecked casts to suppress errors produced by nullness analyses. */
@GwtCompatible
final class NullnessCasts {
  /**
   * Accepts a {@code @Nullable T} and returns a plain {@code T}, without performing any check that
   * that conversion is safe.
   *

        Exception rootCause = new RuntimeException("Root cause");
        SmbException intermediateCause = new SmbException("Intermediate", rootCause);

        // When
        SmbException finalException = new SmbException("Final error", intermediateCause);

        // Then
        assertEquals(intermediateCause, finalException.getCause());
        assertEquals(rootCause, finalException.getCause().getCause());
    }

    @Test

    public void setUp() throws Exception {
        super.setUp();

        // Setup FessConfig with proper initialization
        FessConfig.SimpleImpl fessConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            {
                // Force initialize the ObjectiveConfig's prop field using reflection
                try {

    }

    private Process createMockProcess(String output) {
        return new MockProcess(output);
    }

    private static class MockProcess extends Process {
        private final InputStream inputStream;

        public MockProcess(String output) {
            this.inputStream = new ByteArrayInputStream(output.getBytes());
        }

        @Override

* `upgrade`: Upgrades

import org.opensearch.search.aggregations.metrics.ValueCountAggregationBuilder;

/**
 * @author ESFlute (using FreeGen)
 */
public abstract class EsAbstractConditionAggregation {

    protected static final String CA_PROPERTY = "conditionAggregation";

    // ===================================================================================
    //                                                                           Attribute

        }
    }

    // Test helper classes
    private static class TestScriptEngine implements ScriptEngine {
        private String lastScript;
        private Map<String, Object> lastParams;
        private final String prefix;

        public TestScriptEngine() {
            this.prefix = "";
        }

        public TestScriptEngine(String prefix) {
            this.prefix = prefix + ":";
        }

 *     unless the builder is constructed based on an existing {@code Graph} using {@link
 *     #from(ValueGraph)}.
 * @since 20.0
 */
@Beta
public final class ValueGraphBuilder<N, V> extends AbstractGraphBuilder<N> {

  /** Creates a new instance with the specified edge directionality. */
  private ValueGraphBuilder(boolean directed) {
    super(directed);
  }

    }

    /**
     * Test notification listener that captures notifications
     */
    private static class TestNotificationListener implements WitnessClient.WitnessNotificationListener {
        private final CountDownLatch notificationLatch = new CountDownLatch(1);
        private volatile WitnessNotification lastNotification;

        @Override
        public void onWitnessNotification(WitnessNotification notification) {

    }

    private void addDocument(String indexName, Client client, int num) {
        BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();
        for (int i = 0; i < num; i++) {
            final Map<String, Object> source = new HashMap<>();
            source.put("field1", "test" + i);
            source.put("field2", i);