? new DenseImmutableTable<R, C, V>(cellList, rowSpace, columnSpace)
        : new SparseImmutableTable<R, C, V>(cellList, rowSpace, columnSpace);
  }

  /** @throws IllegalArgumentException if {@code existingValue} is not null. */
  /*
   * We could have declared this method 'static' but the additional compile-time checks achieved by
   * referencing the type variables seem worthwhile.
   */

    assertThrows(NoSuchElementException.class, () -> getOnlyElement(iterable));
  }

  public void testGetOnlyElement_noDefault_multiple() {
    Iterable<String> iterable = asList("foo", "bar");
    assertThrows(IllegalArgumentException.class, () -> getOnlyElement(iterable));
  }

  public void testGetOnlyElement_withDefault_singleton() {
    Iterable<String> iterable = singletonList("foo");

            .createTestSuite());
    return suite;
  }

  public void testBuilderWithExpectedKeysNegative() {
    assertThrows(
        IllegalArgumentException.class, () -> ImmutableSetMultimap.builderWithExpectedKeys(-1));
  }

  public void testBuilderWithExpectedKeysZero() {
    ImmutableSetMultimap.Builder<String, String> builder =

          }

          @Override
          public final Throwable failureCause() {
            return delegate.failureCause();
          }
        };
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,
            () -> new ServiceManager(Arrays.asList(service1, service2)));
    assertThat(expected.getMessage()).contains("started transitioning asynchronously");
  }

   * provides more control over the underlying data structure.
   *
   * @param expectedKeys the expected number of distinct keys
   * @param expectedValuesPerKey the expected average number of values per key
   * @throws IllegalArgumentException if {@code expectedKeys} or {@code expectedValuesPerKey} is
   *     negative
   */
  public static <K extends @Nullable Object, V extends @Nullable Object> HashMultimap<K, V> create(

        this.runtimeInformation = runtimeInformation;
    }

    public MavenSession getMavenSession() {
        if (mavenSession == null) {
            throw new IllegalArgumentException("Found null mavenSession on session " + this);
        }
        return mavenSession;
    }

    @Override
    public List<Project> getProjects(List<MavenProject> projects) {

   *       href="https://github.com/google/guava/wiki/GraphsExplained#graph-elements-nodes-and-edges">
   *       graph elements</a> for details)
   * </ul>
   *
   * @throws IllegalArgumentException if {@code node} is not an element of this graph
   */
  Iterable<? extends N> predecessors(N node);

   * synchronized.
   */
  @VisibleForTesting
  void invokeSubscriberMethod(Object event) throws InvocationTargetException {
    try {
      method.invoke(target, checkNotNull(event));
    } catch (IllegalArgumentException e) {
      throw new Error("Method rejected target/argument: " + event, e);
    } catch (IllegalAccessException e) {
      throw new Error("Method became inaccessible: " + event, e);

    closeEntry()
}


fun File.getClassSuperTypes(): Set<String> {
    if (!path.endsWith(".class")) {
        throw IllegalArgumentException("Not a class file: $path")
    }
    inputStream().use {
        val reader = ClassReader(it)
        return setOf(reader.superName) + reader.interfaces
    }

    public static MavenOptions layerMavenOptions(Collection<MavenOptions> options) {
        List<MavenOptions> o = options.stream().filter(Objects::nonNull).toList();
        if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);
        } else {
            return new LayeredMavenOptions<>(o);
        }
    }