import org.gradle.language.base.plugins.LifecycleBasePlugin

@Suppress("UnstableApiUsage")
internal abstract class NullawayStatusTask : DefaultTask() {
    @get:ServiceReference
    abstract val statusService: Property<NullawayStatusService>

    @get:Input
    val projectPath = project.buildTreePath

    @get:Input
    abstract val nullawayEnabled: Property<Boolean>

    return NaNLinearTransformation.INSTANCE;
  }

  /** Returns whether this is a vertical transformation. */
  public abstract boolean isVertical();

  /** Returns whether this is a horizontal transformation. */
  public abstract boolean isHorizontal();

  /**
   * Returns the slope of the transformation, i.e. the rate of change of {@code y} with respect to

   * Called before runInterruptibly - if true, runInterruptibly and afterRanInterruptibly will not
   * be called.
   */
  abstract boolean isDone();

  /**
   * Do interruptible work here - do not complete Futures here, as their listeners could be
   * interrupted.
   */
  @ParametricNullness
  abstract T runInterruptibly() throws Exception;

  /**

import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity
import java.io.File


/**
 * Abstract base class for [Task][org.gradle.api.Task]s that verify and manipulate the given accepted API changes file.
 */
@CacheableTask
abstract class AbstractAcceptedApiChangesMaintenanceTask : DefaultTask() {

    /**
     * A directory that contains jsons with accepted API changes.

   * @throws UnsupportedOperationException if this {@link EndpointPair} is not ordered
   */
  public abstract N source();

  /**
   * If this {@link EndpointPair} {@link #isOrdered()}, returns the node which is the target.
   *
   * @throws UnsupportedOperationException if this {@link EndpointPair} is not ordered
   */
  public abstract N target();

  /**

   */
  @Override
  public abstract boolean equals(@Nullable Object object);

  /**
   * Returns a hash code for this instance.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this class leaves the specific choice of
   * hash code unspecified, unlike the Java 8+ equivalent.
   */
  @Override
  public abstract int hashCode();

  /**

import org.gradle.work.DisableCachingByDefault


@DisableCachingByDefault(because = "Not worth caching")
abstract class UpdateReleasedVersions : DefaultTask() {

    @get:Internal
    abstract val releasedVersionsFile: RegularFileProperty

    @get:Internal
    abstract val currentReleasedVersion: Property<ReleasedVersion>

    @TaskAction
    fun updateVersions() {

 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class AbstractImmutableSetTest extends TestCase {

  protected abstract <E extends Comparable<? super E>> Set<E> of();

  protected abstract <E extends Comparable<? super E>> Set<E> of(E e);

  protected abstract <E extends Comparable<? super E>> Set<E> of(E e1, E e2);

  protected abstract <E extends Comparable<? super E>> Set<E> of(E e1, E e2, E e3);

 *
 * @author Louis Wasserman
 */
@GwtCompatible
abstract class TransformedIterator<F extends @Nullable Object, T extends @Nullable Object>
    implements Iterator<T> {
  final Iterator<? extends F> backingIterator;

  TransformedIterator(Iterator<? extends F> backingIterator) {
    this.backingIterator = checkNotNull(backingIterator);
  }

  @ParametricNullness
  abstract T transform(@ParametricNullness F from);

  @Override

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

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

  @Override