import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * Create multisets of strings for tests.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class TestStringMultisetGenerator implements TestMultisetGenerator<String> {
  @Override
  public SampleElements<String> samples() {
    return new Strings();
  }

  @Override

import org.jspecify.annotations.NullMarked;

/**
 * Generates {@code List<Character>} instances for test suites.
 *
 * @author Kevin Bourrillion
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public abstract class TestCharacterListGenerator implements TestListGenerator<Character> {
  @Override
  public SampleElements<Character> samples() {
    return new Chars();
  }

  @Override

  }

  private abstract static class RawTypeConsistencyTester<T extends Enum<T> & CharSequence> {
    abstract T returningT();

    abstract void acceptT(T t);

    abstract <X extends T> X returningX();

    abstract <X> void acceptX(X x);

    abstract <T2 extends Enum<T2> & CharSequence> T2 returningT2();

 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class TestStringSortedSetGenerator extends TestStringSetGenerator
    implements TestSortedSetGenerator<String> {

  @Override
  public SortedSet<String> create(Object... elements) {
    return (SortedSet<String>) super.create(elements);
  }

  @Override
  protected abstract SortedSet<String> create(String[] elements);

import org.jspecify.annotations.NullMarked;

/**
 * Tests {@link ImmutableTable}
 *
 * @author Gregory Kick
 */
@GwtCompatible
@NullMarked
public abstract class AbstractImmutableTableTest extends TestCase {

  abstract Iterable<ImmutableTable<Character, Integer, String>> getTestInstances();

  public final void testClear() {
    for (Table<Character, Integer, String> testInstance : getTestInstances()) {

 *
 * @author Chris Povirk
 * @author Jared Levy
 * @author George van den Driessche
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public abstract class TestStringBiMapGenerator implements TestBiMapGenerator<String, String> {

  @Override
  public SampleElements<Entry<String, String>> samples() {
    return new SampleElements<>(
        mapEntry("one", "January"),

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

/**
 * Abstract test case parent for anything implementing {@link ListenableFuture}. Tests the two get
 * methods and the addListener method.
 *
 * @author Sven Mawson
 * @since 10.0
 */
@GwtIncompatible
public abstract class AbstractListenableFutureTest extends TestCase {

  protected CountDownLatch latch;

import okhttp3.OkHttpClient
import okhttp3.Request
import okio.Path.Companion.toPath
import okio.fakefilesystem.FakeFileSystem
import org.junit.AssumptionViolatedException
import org.junit.Before
import org.junit.Test

abstract class BaseOkHttpClientUnitTest {
  private lateinit var client: OkHttpClient

  @Before
  fun setUp() {
    client =
      OkHttpClient
        .Builder()

import java.util.HashMap;
import java.util.LinkedHashMap;

import org.apache.maven.lifecycle.Lifecycle;
import org.apache.maven.lifecycle.mapping.LifecyclePhase;

/**
 * Base lifecycle provider.
 */
public abstract class AbstractLifecycleProvider implements Provider<Lifecycle> {
    private final Lifecycle lifecycle;

    protected AbstractLifecycleProvider(String id, String[] phases, String[] pluginBindings) {

import java.util.Properties

/**
 * Fetch the latest versions for smoke tested plugins and write a properties file.
 * Never up-to-date, non-cacheable.
 */
@UntrackedTask(because = "Not worth tracking")
abstract class UpdateSmokeTestedPluginsVersions : AbstractVersionsUpdateTask() {

    @TaskAction
    fun update() {
        val pluginIds = getPluginIds()
        val fetchedVersions = fetchLatestVersions(pluginIds)