lines = stream.collect(Collectors.toList());
            } catch (UncheckedIOException e) {
                throw new IllegalArgumentException("Failed to read " + f + " as UTF_8", e);
            }
            List<Integer> invalidLines = IntStream.range(0, lines.size())
                .filter(i -> allPatterns.matcher(lines.get(i)).find())

  }

  public void testBuilderAddCopiesIllegal() {
    ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
    assertThrows(IllegalArgumentException.class, () -> builder.addCopies("a", -2));
  }

  public void testBuilderSetCountHandlesNullsCorrectly() {
    ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();

   * @param duration the length of time after a value is created that it should stop being returned
   *     by subsequent {@code get()} calls
   * @param unit the unit that {@code duration} is expressed in
   * @throws IllegalArgumentException if {@code duration} is not positive
   * @since 2.0
   */
  @SuppressWarnings("GoodTime") // Prefer the Duration overload
  public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(

        ? 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.
   */

  fun setPathSegmentRejectsDot() {
    val base = parse("http://host/a/b/c")
    assertFailsWith<IllegalArgumentException> {
      base.newBuilder().setPathSegment(0, ".")
    }
  }

  @Test
  fun setPathSegmentRejectsDotDot() {
    val base = parse("http://host/a/b/c")
    assertFailsWith<IllegalArgumentException> {
      base.newBuilder().setPathSegment(0, "..")
    }
  }

  @Test

     * @param newFileId the new 16-byte file ID
     */
    public void updateFileId(byte[] newFileId) {
        if (newFileId.length != 16) {
            throw new IllegalArgumentException("File ID must be 16 bytes");
        }
        System.arraycopy(newFileId, 0, this.fileId, 0, 16);
    }

    @Override
    public String toString() {

   * <p><b>Java 8+ users:</b> the {@code Stream} equivalent to this method is {@code
   * stream.collect(MoreCollectors.onlyElement())}.
   *
   * @throws NoSuchElementException if the iterable is empty
   * @throws IllegalArgumentException if the iterable contains multiple elements
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getOnlyElement(Iterable<T> iterable) {
    return Iterators.getOnlyElement(iterable.iterator());

    }

    @Test
    public void test_constructorWithNullMessageAndValidCause() {
        // Test constructor with null message and valid cause
        Throwable cause = new IllegalArgumentException("Invalid argument");
        GsaConfigException exception = new GsaConfigException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());

   * @return a new, empty {@code ObjectCountLinkedHashMap} with enough capacity to hold {@code
   *     expectedSize} elements without resizing
   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  static <K extends @Nullable Object> ObjectCountLinkedHashMap<K> createWithExpectedSize(
      int expectedSize) {
    return new ObjectCountLinkedHashMap<K>(expectedSize);

          assertFalse(overlaps);
          mutable.add(range);
        } catch (IllegalArgumentException e) {
          assertTrue(overlaps);
          continue subsets;
        }
      }

      if (anyOverlaps) {
        assertThrows(IllegalArgumentException.class, () -> ImmutableRangeSet.copyOf(subset));
      } else {
        RangeSet<Integer> copy = ImmutableRangeSet.copyOf(subset);