/** This class is for {@code com.google.common.collect} use only! */
@J2ktIncompatible
@GwtIncompatible // java.time.Duration
@IgnoreJRERequirement // We use this method only from within APIs that require a Duration.
final class Internal {

  /**
   * Returns the number of nanoseconds of the given duration without throwing or overflowing.
   *
   * <p>Instead of throwing {@link ArithmeticException}, this method silently saturates to either

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.jspecify.annotations.Nullable;

/** Methods factored out so that they can be emulated differently in GWT. */
final class Platform {
  static boolean isInstanceOfThrowableClass(Throwable t, Class<? extends Throwable> expectedClass) {
    /*
     * This method is used only by CatchingFuture, and CatchingFuture accepts only Throwable.class

 */
@Named(PluginsMetadataGeneratorFactory.NAME)
@Singleton
@Deprecated(since = "4.0.0")
public class PluginsMetadataGeneratorFactory implements MetadataGeneratorFactory {
    public static final String NAME = "plugins";

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, InstallRequest request) {
        return new PluginsMetadataGenerator(session, request);
    }

 */
@Named(SnapshotMetadataGeneratorFactory.NAME)
@Singleton
@Deprecated(since = "4.0.0")
public class SnapshotMetadataGeneratorFactory implements MetadataGeneratorFactory {
    public static final String NAME = "snapshot";

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, InstallRequest request) {
        return new LocalSnapshotMetadataGenerator(session, request);
    }

 */
@Named(VersionsMetadataGeneratorFactory.NAME)
@Singleton
@Deprecated(since = "4.0.0")
public class VersionsMetadataGeneratorFactory implements MetadataGeneratorFactory {
    public static final String NAME = "versions";

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, InstallRequest request) {
        return new VersionsMetadataGenerator(session, request);
    }

/**
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 * @since 3.0
 */
public class PhaseRecorder {
    private String lastLifecyclePhase;

    private final MavenProject project;

    public PhaseRecorder(MavenProject project) {
        this.project = project;
    }

    public void observeExecution(MojoExecution mojoExecution) {

/**
 * Tests for {@link Multisets#immutableEntry}.
 *
 * @author Mike Bostock
 */
@GwtCompatible
@NullMarked
public class MultisetsImmutableEntryTest extends TestCase {
  private static final @Nullable String NE = null;

  private static <E extends @Nullable Object> Entry<E> entry(E element, int count) {
    return Multisets.immutableEntry(element, count);
  }

 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#multiset">{@code Multiset}</a>.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible
public final class LinkedHashMultiset<E extends @Nullable Object>
    extends AbstractMapBasedMultiset<E> {

  /** Creates a new, empty {@code LinkedHashMultiset} using the default initial capacity. */

import java.math.BigInteger;
import java.math.RoundingMode;

/**
 * A collection of preconditions for math functions.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class MathPreconditions {
  @CanIgnoreReturnValue
  static int checkPositive(String role, int x) {
    if (x <= 0) {
      throw new IllegalArgumentException(role + " (" + x + ") must be > 0");
    }
    return x;
  }

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;

/** Static utility method for unchecked throwing of any {@link Throwable}. */
@GwtCompatible
final class SneakyThrows<T extends Throwable> {
  /**
   * Throws {@code t} as if it were an unchecked {@link Throwable}.
   *
   * <p>This method is useful primarily when we make a reflective call to a method with no {@code