assertThrows(NullPointerException.class, () -> builder.put(null, 1));
    assertThrows(NullPointerException.class, () -> builder.putAll(null, Arrays.asList(1, 2, 3)));
    assertThrows(NullPointerException.class, () -> builder.putAll(null, 1, 2, 3));
    assertThrows(
        NullPointerException.class, () -> builder.putAll((Multimap<String, Integer>) toPut));
  }

/**
 * Unit tests for {@link MathPreconditions}.
 *
 * @author Ben Yu
 */
@GwtCompatible
@NullUnmarked
public class MathPreconditionsTest extends TestCase {

  public void testCheckPositive_zeroInt() {
    assertThrows(IllegalArgumentException.class, () -> MathPreconditions.checkPositive("int", 0));
  }

  public void testCheckPositive_maxInt() {

        when(lookup.lookupMap(ToolchainFactory.class)).thenReturn(factories);
        when(lookup.lookupMap(org.apache.maven.toolchain.ToolchainFactory.class))
                .thenReturn(Map.of());

        toolchainManager = new ToolchainManagerFactory(lookup, logger).v3Manager();
    }

    @Test
    void testNoModels() {
        MavenSession session = mock(MavenSession.class);

                return (T) new DefaultVersionRangeResolver(repositorySystem);
            } else if (clazz == ArtifactResolver.class) {
                return (T) new DefaultArtifactResolver();
            } else if (clazz == ArtifactManager.class) {
                return (T) new DefaultArtifactManager(this);
            } else if (clazz == RepositoryFactory.class) {

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                return (T) new DefaultVersionRangeResolver(repositorySystem);
            } else if (clazz == ArtifactResolver.class) {
                return (T) new DefaultArtifactResolver();
            } else if (clazz == ArtifactManager.class) {
                return (T) new DefaultArtifactManager(this);
            } else if (clazz == RepositoryFactory.class) {

MethodMap$AmbiguousException; private static reflect.Method getMostSpecific(java.util.List, Class[]) throws MethodMap$AmbiguousException; private static int moreSpecific(Class[], Class[]); private static java.util.LinkedList getApplicables(java.util.List, Class[]); private static boolean isApplicable(reflect.Method, Class[]); private static boolean isMethodInvocationCo(Class, Class); private static boolean isStrictMethodInvoca(Class, Class); } org/codehaus/plexus/util/introspection/ReflectionValueExtra.class package...

        InternalSession.associate(session, iSession);

        SessionScope sessionScope = container.lookup(SessionScope.class);
        sessionScope.enter();
        sessionScope.seed(MavenSession.class, msession);
        sessionScope.seed(InternalMavenSession.class, iSession);
        sessionScope.seed(Session.class, iSession);
    }

        else -> "Failure[$response]"
      }
  }

  internal data class Message(
    val bytes: ByteString? = null,
    val string: String? = null,
  )

  internal data class Ping(
    val payload: ByteString,
  )

  internal data class Pong(
    val payload: ByteString,
  )

  internal data class Closing(
    val code: Int,
    val reason: String,
  )

/**
 * UT for {@link ReverseTreeRepositoryListener}.
 */
class ReverseTreeRepositoryListenerTest {
    @Test
    void isLocalRepositoryArtifactTest() {
        File baseDir = new File("local/repository");
        LocalRepository localRepository = new LocalRepository(baseDir);
        RepositorySystemSession session = mock(RepositorySystemSession.class);
        when(session.getLocalRepository()).thenReturn(localRepository);