*
     * @return {@literal final}メソッドの場合は{@literal true}
     */
    boolean isFinal();

    /**
     * {@literal abstract}メソッドの場合は{@literal true}を返します。
     *
     * @return {@literal abstract}メソッドの場合は{@literal true}
     */
    boolean isAbstract();

    /**
     * メソッドの引数型がパラメタ化された型の場合は{@literal true}を返します。
     *
     * @param index
     *            引数のインデックス

            .isSubtypeOf(superclass));
  }

  public void testGetSubtypeOf_impossibleWildcard() {
    TypeToken<List<? extends Number>> numberList = new TypeToken<List<? extends Number>>() {};
    abstract class StringList implements List<String> {}
    assertThrows(IllegalArgumentException.class, () -> numberList.getSubtype(StringList.class));
  }

  private static class OwnerTypeSubtypingTests extends SubtypeTester {

 * and {@link State#TERMINATED} states are terminal states, once a service enters either of these
 * states it cannot ever leave them.
 *
 * <p>Implementors of this interface are strongly encouraged to extend one of the abstract classes
 * in this package which implement this interface and make the threading and state management
 * easier.
 *
 * @author Jesse Wilson
 * @author Luke Sandberg

import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;

import org.codelibs.core.exception.IORuntimeException;

/**
 * {@link JarInputStream}用のユーティリティクラスです。
 *
 * @author koichik
 */
public abstract class JarInputStreamUtil {

    /**
     * {@link JarInputStream}を作成します。
     *
     * @param is
     *            入力ストリーム。{@literal null}であってはいけません
     * @return {@link JarInputStream}

/**
 * A base implementation of {@link NetworkConnections} for directed networks.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @param <E> Edge parameter type
 */
@ElementTypesAreNonnullByDefault
abstract class AbstractDirectedNetworkConnections<N, E> implements NetworkConnections<N, E> {
  /** Keys are edges incoming to the origin node, values are the source node. */
  final Map<E, N> inEdgeMap;

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A class to facilitate the set returned by {@link Graph#edges()}.
 *
 * @author James Sexton
 */
@ElementTypesAreNonnullByDefault
abstract class EndpointPairIterator<N> extends AbstractIterator<EndpointPair<N>> {
  private final BaseGraph<N> graph;
  private final Iterator<N> nodeIterator;

  @CheckForNull

import org.codelibs.fess.crawler.exception.MaxLengthExceededException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jakarta.annotation.Resource;

/**
 * @author shinsuke
 *
 */
public abstract class AbstractCrawlerClient implements CrawlerClient {

    private static final Logger logger = LoggerFactory.getLogger(AbstractCrawlerClient.class);

    builder.putAll(entries);
    return builder.build();
  }

  static final Entry<?, ?>[] EMPTY_ENTRY_ARRAY = new Entry<?, ?>[0];

  abstract static class IteratorBasedImmutableMap<K, V> extends ImmutableMap<K, V> {
    abstract UnmodifiableIterator<Entry<K, V>> entryIterator();

    @Override
    ImmutableSet<K> createKeySet() {
      return new ImmutableMapKeySet<>(this);
    }

import java.sql.Statement;

import org.codelibs.core.exception.SQLRuntimeException;
import org.codelibs.core.log.Logger;

/**
 * {@link Statement}用のユーティリティクラスです。
 *
 * @author higa
 */
public abstract class StatementUtil {

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

    /**
     * SQLを実行します。
     *
     * @param statement

import org.eclipse.aether.DefaultRepositorySystemSession;
import org.junit.jupiter.api.BeforeEach;

import static org.junit.jupiter.api.Assertions.fail;

/**
 */
@PlexusTest
@Deprecated
public abstract class AbstractMavenProjectTestCase {
    protected ProjectBuilder projectBuilder;

    @Inject
    protected RepositorySystem repositorySystem;

    @Inject