import com.google.common.collect.testing.MapInterfaceTest;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import org.jspecify.annotations.NullUnmarked;

@GwtCompatible
@NullUnmarked
abstract class AbstractImmutableBiMapMapInterfaceTest<K, V> extends MapInterfaceTest<K, V> {
  AbstractImmutableBiMapMapInterfaceTest() {
    super(false, false, false, false, false);
  }

  @Override

import org.apache.maven.plugin.PluginValidationManager;

/**
 * Common implementations for plugin parameters configuration validation that relies on Mojo descriptor (leaves out
 * core parameters by default).
 *
 */
abstract class AbstractMavenPluginDescriptorSourcedParametersValidator extends AbstractMavenPluginParametersValidator {

    // plugin author can provide @Parameter( property = "session" ) in this case property will always evaluate

 * Usually referred to as 'functional tests' in literature, but our code base has historically
 * been using the term 'integration test'.
 */
@CacheableTask
abstract class IntegrationTest : DistributionTest() {

    override val prefix = if (name.contains("CrossVersion")) "crossVersion" else "integ"

    @InputDirectory
    @PathSensitive(PathSensitivity.RELATIVE)

    return oldCount;
  }

  @Override
  public void clear() {
    Arrays.fill(counts, 0);
    size = 0;
    distinctElements = 0;
  }

  abstract class Itr<T> implements Iterator<T> {
    int index = 0;
    int toRemove = -1;

    abstract T output(int index);

    @Override
    public boolean hasNext() {
      for (; index < enumConstants.length; index++) {
        if (counts[index] > 0) {

 *
 * @author Louis Wasserman
 * @since 12.0
 */
@GwtIncompatible
public abstract class ForwardingNavigableSet<E extends @Nullable Object>
    extends ForwardingSortedSet<E> implements NavigableSet<E> {

  /** Constructor for use by subclasses. */
  protected ForwardingNavigableSet() {}

  @Override
  protected abstract NavigableSet<E> delegate();

  @Override
  public @Nullable E lower(@ParametricNullness E e) {

 * non-null bound if possible, let's require a non-null bound here.
 *
 * TODO(cpovirk): Elaborate on "wouldn't behave as users might expect."
 */
public abstract class TypeParameter<T> extends TypeCapture<T> {

  final TypeVariable<?> typeVariable;

  protected TypeParameter() {
    Type type = capture();

package gradlebuild.nullaway

import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import java.io.Closeable
import java.util.concurrent.ConcurrentHashMap

internal abstract class NullawayStatusService : BuildService<BuildServiceParameters.None>, Closeable {
    private val projectsWithNullAwayEnabled = ConcurrentHashMap.newKeySet<String>()

 *     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
 */
@GwtIncompatible
public abstract class FeatureSpecificTestSuiteBuilder<
    B extends FeatureSpecificTestSuiteBuilder<B, G>, G> {
  @SuppressWarnings("unchecked")
  protected B self() {
    return (B) this;
  }

  // Test Data

    suite.addTest(testsForHashMapNullKeysForbidden());
    suite.addTest(testsForHashMapNullValuesForbidden());
    suite.addTest(testsForSetUpTearDown());
    return suite;
  }

  private abstract static class WrappedHashMapGenerator extends TestStringMapGenerator {
    @Override
    protected final Map<String, String> create(Entry<String, String>[] entries) {
      HashMap<String, String> map = new HashMap<>();

import org.jspecify.annotations.NullUnmarked;

/**
 * Base class for {@link RangeSet} tests.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible // TreeRangeSet
@NullUnmarked
public abstract class AbstractRangeSetTest extends TestCase {
  public static void testInvariants(RangeSet<?> rangeSet) {
    testInvariantsInternal(rangeSet);
    testInvariantsInternal(rangeSet.complement());
  }