*       }
 *     };
 * }
 *
 * @author Chris Povirk
 * @since 12.0 (in Guava as {@code AbstractLinkedIterator} since 8.0)
 */
@GwtCompatible
public abstract class AbstractSequentialIterator<T> extends UnmodifiableIterator<T> {
  private @Nullable T nextOrNull;

  /**
   * Creates a new iterator with the given first element, or, if {@code firstOrNull} is null,

 * currently planned to be released as a general-purpose forwarding class.
 *
 * @author James Sexton
 */
abstract class ForwardingGraph<N> extends AbstractGraph<N> {

  abstract BaseGraph<N> delegate();

  @Override
  public Set<N> nodes() {
    return delegate().nodes();
  }

  /**

/**
 * Implementation helper for {@link TestMapGenerator} for use with maps of strings.
 *
 * @author Chris Povirk
 * @author Jared Levy
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked
public abstract class TestStringMapGenerator implements TestMapGenerator<String, String> {

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

 * reasons).
 */
@GwtCompatible
abstract class AbstractIterator<T extends @Nullable Object> implements Iterator<T> {
  private State state = State.NOT_READY;

  protected AbstractIterator() {}

  private enum State {
    READY,
    NOT_READY,
    DONE,
    FAILED,
  }

  private @Nullable T next;

  protected abstract @Nullable T computeNext();

  @CanIgnoreReturnValue

import org.codelibs.core.lang.ThreadUtil;

/**
 * The abstract helper for configuration.
 *
 * This class provides a basic framework for managing configurations that can be reloaded.
 * It includes functionality for updating configurations in a separate thread and controlling the reloading interval.
 */
public abstract class AbstractConfigHelper {

    /**
     * Default constructor.
     */

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;

        }
      }
    };

    abstract double factorialDouble(int n);

    abstract long binomialCoefficient(int n, int k);

    abstract int gcdInt(int a, int b);

    abstract long gcdLong(long a, long b);

    abstract boolean noAddOverflow(int a, int b);

    abstract boolean noAddOverflow(long a, long b);

    abstract boolean noMulOverflow(int a, int b);

import java.util.Map;

import org.codelibs.fess.it.CrudTestBase;
import org.junit.jupiter.api.BeforeEach;

import io.restassured.path.json.JsonPath;

public abstract class DictCrudTestBase extends CrudTestBase {
    protected String dictId;

    abstract protected String getDictType();

    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

	public final fun webSocketUpgrade (Lokhttp3/WebSocketListener;)Lmockwebserver3/MockResponse$Builder;
}

public abstract interface class mockwebserver3/MockResponseBody {
	public abstract fun getContentLength ()J
	public abstract fun writeTo (Lokio/BufferedSink;)V
}

public final class mockwebserver3/MockWebServer : java/io/Closeable {
	public fun <init> ()V
	public fun close ()V

onNonOption(String); } org/gradle/cli/CommandLineParser$OptionParserState.class package org.gradle.cli; public abstract class CommandLineParser$OptionParserState { public void CommandLineParser$OptionParserState(); public abstract CommandLineParser$ParserState onStartNextArg(); public abstract CommandLineParser$ParserState onArgument(String); public abstract boolean getHasArgument(); public abstract CommandLineParser$ParserState onComplete(); } org/gradle/cli/CommandLineParser$OptionString.class package...