import java.util.Set;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Creates sets, containing sample elements, to be tested.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public interface TestSetGenerator<E extends @Nullable Object> extends TestCollectionGenerator<E> {
  @Override
  Set<E> create(Object... elements);

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.Multimap;

/**
 * Helper methods/assertions for use with {@code com.google.common.collect} types.
 *
 * @author Colin Decker
 */
@GwtCompatible
final class GoogleHelpers {

  private GoogleHelpers() {}

  static void assertEmpty(Multimap<?, ?> multimap) {
    if (!multimap.isEmpty()) {

 */

package com.google.common.testing;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * @author Chris Povirk
 */
final class Platform {
  /** Serializes and deserializes the specified object (a no-op under GWT). */
  @SuppressWarnings("unchecked")
  static <T> T reserialize(T object) {

import java.util.Set;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Creates sets, containing sample elements, to be tested.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public interface TestSetGenerator<E extends @Nullable Object> extends TestCollectionGenerator<E> {
  @Override
  Set<E> create(Object... elements);

import com.google.common.testing.RelationshipTester.ItemReporter;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link RelationshipTester}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class RelationshipTesterTest extends TestCase {
  public void testNulls() {
    new ClassSanityTester()
        .setDefault(ItemReporter.class, /* itemReporter */ Item::toString)

 */
package org.codelibs.core.collection;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import java.util.Set;

import org.junit.Test;

/**
 * @author higa
 */
public class CaseInsensitiveSetTest {

    /**
     * @throws Exception
     */
    @Test
    public void testContains() throws Exception {
        final Set<String> set = new CaseInsensitiveSet();

 * <p>
 * If there are resources that must be disposed of when the S2 container shuts down,
 * create a class that implements this interface and register it with {@link DisposableUtil}.
 * </p>
 *
 * @author koichik
 */
public interface Disposable {

    /**
     * Disposes of the resources held by this object.
     *
     */
    void dispose();

package org.codelibs.core.exception;

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

import java.security.NoSuchAlgorithmException;

/**
 * Exception that wraps {@link NoSuchAlgorithmException}.
 *
 * @author higa
 */
public class NoSuchAlgorithmRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = -3176447530746274091L;

    /**

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

import javax.xml.parsers.ParserConfigurationException;

/**
 * Exception that wraps {@link ParserConfigurationException}.
 *
 * @author higa
 */
public class ParserConfigurationRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = -4610465906028959083L;

    /**

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

import java.io.UnsupportedEncodingException;

/**
 * Signals that a character encoding is not supported.
 * @author shinsuke
 */
public class UnsupportedEncodingRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 1L;

    /**