import org.jspecify.annotations.Nullable;

/**
 * This class provides a skeletal implementation of {@link Graph}. It is recommended to extend this
 * class rather than implement {@link Graph} directly.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @since 20.0
 */
public abstract class AbstractGraph<N> extends AbstractBaseGraph<N> implements Graph<N> {
  /** Constructor for use by subclasses. */

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

/**
 * String creation for testing arbitrary collections.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class TestStringCollectionGenerator implements TestCollectionGenerator<String> {
  @Override
  public SampleElements<String> samples() {

import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.jspecify.annotations.NullMarked;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * @author Chris Povirk
 */
@GwtCompatible
@NullMarked
final class Platform {
  /** Serializes and deserializes the specified object. */
  @SuppressWarnings("unchecked")
  static <T> T reserialize(T object) {

 * after the garbage collector reclaims the referent. This is a simpler alternative to using a
 * {@link ReferenceQueue}.
 *
 * <p>Unlike a normal phantom reference, this reference will be cleared automatically.
 *
 * @author Bob Lee
 * @since 2.0
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class FinalizablePhantomReference<T> extends PhantomReference<T>
    implements FinalizableReference {
  /**

 * href="https://github.com/google/guava/wiki/CachesExplained">caches</a>.
 *
 * <p>This package is a part of the open-source <a href="https://github.com/google/guava">Guava</a>
 * library.
 *
 * @author Charles Fry
 */
@CheckReturnValue
@NullMarked
package com.google.common.cache;

import com.google.errorprone.annotations.CheckReturnValue;

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.beans;

import java.lang.reflect.ParameterizedType;

/**
 * Interface for handling parameterized classes.
 *
 * @author koichik
 */
public interface ParameterizedClassDesc {

    /**
     * Returns <code>true</code> if the class represented by this instance is parameterized.
     *

import java.net.URLConnection;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.ResourceUtil;

/**
 * Utility class for MIME types.
 *
 * @author shot
 */
public abstract class MimeTypeUtil {

    /**
     * Do not instantiate.
     */
    protected MimeTypeUtil() {
    }

    /**
     * Guesses the content type.
     *

import java.text.DecimalFormatSymbols;
import java.util.Locale;
import java.util.Map;

import org.codelibs.core.misc.LocaleUtil;

/**
 * Utility class for {@link DecimalFormatSymbols}.
 *
 * @author higa
 */
public abstract class DecimalFormatSymbolsUtil {

    private static final Map<Locale, DecimalFormatSymbols> CACHE = newConcurrentHashMap();

    /**
     * Do not instantiate.
     */

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

/**
 * Utility class for conversions related to {@link Boolean}.
 *
 * @author higa
 */
public abstract class BooleanConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BooleanConversionUtil() {
    }

    /**
     * Converts to {@link Boolean}.
     *

 */
package org.codelibs.core.exception;

import static org.codelibs.core.collection.ArrayUtil.asArray;

/**
 * Exception thrown when a property cannot be found.
 *
 * @author higa
 *
 */
public class PropertyNotFoundRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = -5177019197796206774L;

    /**
     * The target class.
     */