import java.util.stream.Stream;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@code MoreCollectors}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class MoreCollectorsTest extends TestCase {
  public void testToOptionalEmpty() {
    assertThat(Stream.empty().collect(toOptional())).isEmpty();
  }

import com.google.common.escape.UnicodeEscaper;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the {@link UrlEscapers} class.
 *
 * @author David Beaumont
 */
@GwtCompatible
@NullUnmarked
public class UrlEscapersTest extends TestCase {
  public void testUrlFormParameterEscaper() {
    UnicodeEscaper e = (UnicodeEscaper) urlFormParameterEscaper();

 * their default implementations. When those implementations invoke methods, they invoke methods on
 * the {@code ForwardingConcurrentMap}.
 *
 * @author Charles Fry
 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingConcurrentMap<K, V> extends ForwardingMap<K, V>
    implements ConcurrentMap<K, V> {

  /** Constructor for use by subclasses. */

 *
 * {@snippet :
 * static <T> TypeToken<List<T>> listOf(Class<T> elementType) {
 *   return new TypeToken<List<T>>() {}
 *       .where(new TypeParameter<T>() {}, elementType);
 * }
 * }
 *
 * @author Ben Yu
 * @since 12.0
 */
/*
 * A nullable bound would let users create a TypeParameter instance for a parameter with a nullable
 * bound. However, it would also let them create `new TypeParameter<@Nullable T>() {}`, which

 *
 * <p>The {@code standard} methods and any collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Kevin Bourrillion
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingMultiset<E extends @Nullable Object> extends ForwardingCollection<E>
    implements Multiset<E> {

import javax.crypto.BadPaddingException;

/**
 * Signals that this exception has been thrown when a particular padding mechanism is expected for the input data but the data is not padded properly.
 * @author shinsuke
 */
public class BadPaddingRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 1L;

    /**

package org.codelibs.core.exception;

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

import java.util.Map;

/**
 * Exception thrown when using a key not contained in a {@literal BeanMap}.
 *
 * @author koichik
 */
public class IllegalKeyOfBeanMapException extends ClIllegalArgumentException {

    private static final long serialVersionUID = 3456740832476626338L;

    /**
     * Constructs an instance.
     *

 */
package org.codelibs.core.exception;

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

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

    private static final long serialVersionUID = 9033370905740809950L;

    /**
     * The path to the resource.
     */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class ByteConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToByte() throws Exception {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class DoubleConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToDouble() throws Exception {