try {
            testHelper.install(artifact);
            fail("Expected PluginException");
        } catch (PluginException e) {
            assertTrue(e.getMessage().contains("url is blank"));
        }
    }

    @Test
    public void test_install_nullUrl() {
        PluginHelper testHelper = new PluginHelper();
        Artifact artifact = new Artifact("test", "1.0.0", null);

import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;
import org.junit.Ignore;

/**
 * Testers for {@link com.google.common.collect.ListMultimap#asMap}.
 *
 * @author Louis Wasserman
 * @param <K> The key type of the tested multimap.
 * @param <V> The value type of the tested multimap.
 */
@GwtCompatible

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;

import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;
import org.junit.Ignore;

/**
 * Testers for {@link com.google.common.collect.ListMultimap#asMap}.
 *
 * @author Louis Wasserman
 * @param <K> The key type of the tested multimap.
 * @param <V> The value type of the tested multimap.
 */
@GwtCompatible

import org.eclipse.aether.transfer.TransferEvent;
import org.eclipse.aether.transfer.TransferResource;

/**
 * Console download progress meter.
 * <p>
 * This listener is not thread-safe and should be wrapped in the {@link SimplexTransferListener} in a multi-threaded scenario.
 */
@Deprecated
public class ConsoleMavenTransferListener extends AbstractMavenTransferListener {

import org.slf4j.Logger;

/**
 * Default abstract toolchain implementation, to be used as base class for any toolchain implementation
 * to avoid rewriting usual code.
 *
 * @since 2.0.9
 * @deprecated Use {@link org.apache.maven.api.Toolchain} instead.
 */
@Deprecated(since = "4.0.0")
public abstract class DefaultToolchain // should have been AbstractToolchain...
implements Toolchain, ToolchainPrivate {

        })
        .catch(() => {
            // do nothing
        });
}

function openLinksInNewTab() {
    const siteUrl = document.querySelector("link[rel='canonical']")?.href
        || window.location.origin;
    const siteOrigin = new URL(siteUrl).origin;
    document.querySelectorAll(".md-content a[href]").forEach(a => {

    /**
     * Returned by {@link #getType()} if the resource this {@code SmbFile}
     * represents is a server.
     */
    public static final int TYPE_SERVER = 0x04;
    /**
     * Returned by {@link #getType()} if the resource this {@code SmbFile}
     * represents is a share.
     */
    public static final int TYPE_SHARE = 0x08;
    /**
     * Returned by {@link #getType()} if the resource this {@code SmbFile}

import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link TestCase} for {@link InternetDomainName}.
 *
 * @author Craig Berry
 */
@GwtCompatible
@NullUnmarked
public final class InternetDomainNameTest extends TestCase {
  private static final InternetDomainName UNICODE_EXAMPLE =

import java.util.ArrayList;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;

/**
 * Unit test for {@link LinkedHashMultiset}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public class LinkedHashMultisetTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite