assertThat(event.message).isEqualTo(message)
    } else {
      assertThat(event.t).isNull()
    }
  }

  internal data class Open(
    val eventSource: EventSource,
    val response: Response,
  )

  internal data class Failure(
    val t: Throwable?,
    val response: Response?,
    val message: String?,
  )

  internal object Closed

 * Converts Lucene BooleanQuery objects to OpenSearch BoolQueryBuilder objects.
 */
public class BooleanQueryCommand extends QueryCommand {
    /**
     * Default constructor for BooleanQueryCommand.
     */
    public BooleanQueryCommand() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(BooleanQueryCommand.class);

    @Override
    protected String getQueryClassName() {

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link NegTokenTarg}. The class has no external
 * collaborators so tests are mostly focused on round‑trip
 * serialisation and invalid input handling.
 */
class NegTokenTargTest {

    @Test
    @DisplayName("happy path – full token round‑trip")
    void testRoundTripFull() throws IOException {

import java.util.concurrent.Future;
import java.util.concurrent.ScheduledFuture;
import junit.framework.TestCase;

/**
 * Tests for TestingExecutors.
 *
 * @author Eric Chang
 */
public class TestingExecutorsTest extends TestCase {
  private volatile boolean taskDone;

  public void testNoOpScheduledExecutor() throws InterruptedException {
    taskDone = false;
    Runnable task =
        new Runnable() {

import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Test cases for {@link Tables#transformValues}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class TablesTransformValuesTest extends AbstractTableTest<Character> {

  private static final Function<@Nullable String, @Nullable Character> FIRST_CHARACTER =
      new Function<@Nullable String, @Nullable Character>() {

@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class CollectionCreationTester<E> extends AbstractCollectionTester<E> {
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testCreateWithNull_supported() {

import java.util.concurrent.Future;
import java.util.concurrent.ScheduledFuture;
import junit.framework.TestCase;

/**
 * Tests for TestingExecutors.
 *
 * @author Eric Chang
 */
public class TestingExecutorsTest extends TestCase {
  private volatile boolean taskDone;

  public void testNoOpScheduledExecutor() throws InterruptedException {
    taskDone = false;
    Runnable task =
        new Runnable() {

import org.opensearch.script.ScriptType;
import org.opensearch.search.SearchHit;

/**
 * This class is a base class for score boosters.
 */
public abstract class ScoreBooster {
    /**
     * Constructor.
     */
    public ScoreBooster() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(ScoreBooster.class);

    /**
     * The bulk request builder.
     */

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link PercentEscaper}.
 *
 * @author David Beaumont
 */
@GwtCompatible
@NullUnmarked
public class PercentEscaperTest extends TestCase {

  /** Tests that the simple escaper treats 0-9, a-z and A-Z as safe */
  public void testSimpleEscaper() {
    UnicodeEscaper e = new PercentEscaper("", false);

 * <p>
 * This class, while technically is not immutable, should be considered as such once set up. If not mutated, it is also
 * thread-safe. The mutation of this class instances should happen beforehand their use in session.
 */
public class MavenChainedWorkspaceReader implements MavenWorkspaceReader {

    protected List<WorkspaceReader> readers;