*/
  private static char[] growBuffer(char[] dest, int index, int size) {
    if (size < 0) { // overflow - should be OutOfMemoryError but GWT/j2cl don't support it
      throw new AssertionError("Cannot increase internal buffer any further");
    }
    char[] copy = new char[size];
    if (index > 0) {
      System.arraycopy(dest, 0, copy, 0, index);
    }

   *     greater than {@code b}; or zero if they are equal
   */
  @SuppressWarnings("InlineMeInliner") // Integer.compare unavailable under GWT+J2CL
  public static int compare(long a, long b) {
    return Longs.compare(flip(a), flip(b));
  }

  /**
   * Returns the least value present in {@code array}, treating values as unsigned.
   *

  }

  /**
   * {@inheritDoc}
   *
   * @since NEXT. Note, however, that Java 19+ users can call this method with any version of Guava.
   */
  @SuppressWarnings("MissingOverride") // not an override under J2CL
  @ParametricNullness
  public V resultNow() {
    Object localValue = value();
    if (localValue == null | localValue instanceof DelegatingToFuture) {
      throw new IllegalStateException("Task has not completed");

   *     greater than {@code b}; or zero if they are equal
   */
  @SuppressWarnings("InlineMeInliner") // Integer.compare unavailable under GWT+J2CL
  public static int compare(int a, int b) {
    return Ints.compare(flip(a), flip(b));
  }

  /**
   * Returns the value of the given {@code int} as a {@code long}, when treated as unsigned.
   *

    assertThat(matcher.toString()).isEqualTo(expectedNormal);
    assertThat(matcher.negate().negate().toString()).isEqualTo(expectedNormal);

    // The precomputed form is different on regular platforms but the same on j2cl and j2kt.
    // Hence isAnyOf here.
    assertThat(matcher.precomputed().toString()).isAnyOf(expectedNormal, expectedPrecomputed);
    assertThat(matcher.negate().precomputed().negate().toString())