assertFalse(
        "Two Sets should not be equal if exactly one of them contains null.",
        getSet().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_smallerSet() {
    Collection<E> fewerElements = getSampleElements(getNumElements() - 1);
    assertFalse(
        "Sets of different sizes should not be equal.",

    assertFalse(
        "Two Sets should not be equal if exactly one of them contains null.",
        getSet().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_smallerSet() {
    Collection<E> fewerElements = getSampleElements(getNumElements() - 1);
    assertFalse(
        "Sets of different sizes should not be equal.",

    /**
     * Gets the artifact to resolve metadata for.
     *
     * @return The artifact to resolve metadata for or {@code null} if not set.
     */
    Artifact getArtifact();

    /**
     * Sets the artifact for which to resolve metadata.
     *
     * @param artifact The artifact for which to resolve metadata.
     * @return This request, never {@code null}.
     */

  public T or(Supplier<? extends T> supplier) {
    checkNotNull(supplier);
    return reference;
  }

  @Override
  public T orNull() {
    return reference;
  }

  @Override
  public Set<T> asSet() {
    return Collections.singleton(reference);
  }

  @Override
  public <V> Optional<V> transform(Function<? super T, V> function) {
    return new Present<>(
        checkNotNull(

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.collect.Sets.newHashSet;

import com.google.common.base.Predicate;
import com.google.common.collect.FilteredCollectionsTestUtil.AbstractFilteredSetTest;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;

            return executed.get();
        }
    }

    /**
     * Sets the list of commands to execute for thumbnail generation.
     * @param commandList The command list.
     */
    public void setCommandList(final List<String> commandList) {
        this.commandList = commandList;
    }

    /**
     * Sets the command execution timeout.
     * @param commandTimeout The timeout in milliseconds.

        return useEPSVwithIPv4;
    }

    /**
     * Sets whether EPSV command should be used with IPv4.
     *
     * @param useEPSVwithIPv4 True to enable EPSV with IPv4, false to disable
     */
    public void setUseEPSVwithIPv4(final boolean useEPSVwithIPv4) {
        this.useEPSVwithIPv4 = useEPSVwithIPv4;
    }

    /**
     * Sets the FTP authentication holder.

    protected String filename;

    /** List of command-line arguments to pass to the Python script */
    protected List<String> argList = new ArrayList<>();

    /**
     * Sets the Python script filename to execute.
     *
     * @param filename the Python script filename (relative to WEB-INF/env/python/resources)
     * @return this PythonJob instance for method chaining
     */

    /**
     * Default constructor for CrawlJob.
     * Initializes the job with default settings.
     */
    public CrawlJob() {
        super();
    }

    /**
     * Sets the namespace for the crawling session.
     * The namespace is used to organize and identify crawling activities.
     *
     * @param namespace the namespace identifier for the crawling session

import java.io.Serializable;
import java.util.Collection;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * {@link Set} implementation that asserts that a given lock is held whenever one of its methods is
 * called.
 */
@NullUnmarked
class LockHeldAssertingSet<E> extends ForwardingSet<E> implements Serializable {
  final Set<E> delegate;
  final Object mutex;