* @return an unmodifiable view of the multiset
   */
  public static <E extends @Nullable Object> Multiset<E> unmodifiableMultiset(
      Multiset<? extends E> multiset) {
    if (multiset instanceof UnmodifiableMultiset || multiset instanceof ImmutableMultiset) {
      @SuppressWarnings("unchecked") // Since it's unmodifiable, the covariant cast is safe
      Multiset<E> result = (Multiset<E>) multiset;
      return result;
    }

    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);
    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterator_empty_0() {
    List<Integer> result = numberOrdering.leastOf(Iterators.<Integer>emptyIterator(), 0);
    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);

    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);
    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterator_empty_0() {
    List<Integer> result = numberOrdering.leastOf(Iterators.<Integer>emptyIterator(), 0);
    assertTrue(result instanceof RandomAccess);
    assertListImmutable(result);

        if (e.getCause() instanceof MultipleArtifactsNotFoundException) {
            return true;
        }
        return e.getCause() instanceof org.eclipse.aether.resolution.ArtifactResolutionException
                && e.getCause().getCause() instanceof ArtifactNotFoundException;
    }

    private boolean isNonTransferablePom(Exception e) {
        if (e.getCause() instanceof ArtifactResolutionException) {

            if (metadata instanceof ProjectArtifactMetadata projectArtifactMetadata) {
                org.eclipse.aether.artifact.Artifact pomArtifact = new SubArtifact(mainArtifact, "", "pom");
                pomArtifact = pomArtifact.setFile(projectArtifactMetadata.getFile());
                request.addArtifact(pomArtifact);
            } else if (metadata instanceof SnapshotArtifactRepositoryMetadata

     *
     * 1) An interface I extending Comparable<I> so that the created array is of
     * an interface type. 2) An instance of a class implementing that interface
     * so that we can pass non-null instances of the interface.
     *
     * (Currently it's safe to pass instances for which compareTo() always
     * returns 0, but if we had a SingletonImmutableSortedSet, this might no
     * longer be the case.)
     *

      parameterTypes = asList(method.getParameterTypes());
      typeSignature = new TypeSignature(method.getTypeParameters());
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof MethodSignature) {
        MethodSignature other = (MethodSignature) obj;
        return name.equals(other.name)
            && parameterTypes.equals(other.parameterTypes)

      parameterTypes = asList(method.getParameterTypes());
      typeSignature = new TypeSignature(method.getTypeParameters());
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof MethodSignature) {
        MethodSignature other = (MethodSignature) obj;
        return name.equals(other.name)
            && parameterTypes.equals(other.parameterTypes)

            return exception instanceof UnsupportedOperationException
                || exception instanceof IllegalStateException;
          }
        };
    static final PermittedMetaException UOE =
        new PermittedMetaException("UnsupportedOperationException") {
          @Override
          boolean isPermitted(Exception exception) {
            return exception instanceof UnsupportedOperationException;
          }

        private static <U> com.google.inject.Key<U> toGuiceKey(Key<U> key) {
            if (key.getQualifier() instanceof String s) {
                return (com.google.inject.Key<U>) com.google.inject.Key.get(key.getType(), Names.named(s));
            } else if (key.getQualifier() instanceof Annotation a) {
                return (com.google.inject.Key<U>) com.google.inject.Key.get(key.getType(), a);
            } else {