public void testToString_addValueWithNullValue() {
    String result =
        MoreObjects.toStringHelper(new TestClass())
            .addValue(null)
            .addValue("Hello")
            .addValue(null)
            .toString();
    String expected = "TestClass{null, Hello, null}";

    assertThat(result).isEqualTo(expected);
  }

    public ToStringHelper addValue(@Nullable Object value) {
      return addHolder(value);
    }

    /**
     * Adds an unnamed value to the formatted output.
     *
     * <p>It is strongly encouraged to use {@link #add(String, boolean)} instead and give value a
     * readable name.
     *
     * @since 18.0 (since 11.0 as {@code Objects.ToStringHelper.addValue}).
     */
    @CanIgnoreReturnValue

    public ToStringHelper addValue(@Nullable Object value) {
      return addHolder(value);
    }

    /**
     * Adds an unnamed value to the formatted output.
     *
     * <p>It is strongly encouraged to use {@link #add(String, boolean)} instead and give value a
     * readable name.
     *
     * @since 18.0 (since 11.0 as {@code Objects.ToStringHelper.addValue}).
     */
    @CanIgnoreReturnValue

  internal val generalName: DerAdapter<Pair<DerAdapter<*>, Any?>> =
    Adapters.choice(
      generalNameDnsName,
      generalNameIpAddress,
      Adapters.ANY_VALUE,
    )

  /**
   * ```
   * SubjectAltName ::= GeneralNames
   *
   * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName
   * ```
   */

    public void testIsTargetProperty_excludes_prefix() throws Exception {
        final CopyOptions option = new CopyOptions().prefix(BeanNames.abc_()).exclude(BeanNames.abc_exclude());
        assertThat(option.isTargetProperty("abc_value"), is(true));
        assertThat(option.isTargetProperty("abc_exclude"), is(not(true)));
        assertThat(option.isTargetProperty("ab"), is(not(true)));
    }

    /**
     * @throws Exception
     */

    }
    if (valueStrength != null) {
      s.add("valueStrength", Ascii.toLowerCase(valueStrength.toString()));
    }
    if (keyEquivalence != null) {
      s.addValue("keyEquivalence");
    }
    return s.toString();
  }

   * Returns a string representation for this CacheBuilderSpec instance. The form of this
   * representation is not guaranteed.
   */
  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this).addValue(toParsableString()).toString();
  }

  @Override
  public int hashCode() {
    return Objects.hash(
        initialCapacity,
        maximumSize,
        maximumWeight,
        concurrencyLevel,

   * Returns a string representation for this CacheBuilderSpec instance. The form of this
   * representation is not guaranteed.
   */
  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this).addValue(toParsableString()).toString();
  }

  @Override
  public int hashCode() {
    return Objects.hash(
        initialCapacity,
        maximumSize,
        maximumWeight,
        concurrencyLevel,

    }
    if (valueStrength != null) {
      s.add("valueStrength", Ascii.toLowerCase(valueStrength.toString()));
    }
    if (keyEquivalence != null) {
      s.addValue("keyEquivalence");
    }
    return s.toString();
  }

      // the event had no subscribers and was not itself a DeadEvent
      post(new DeadEvent(this, event));
    }
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this).addValue(identifier).toString();
  }

  /** Simple logging handler for subscriber exceptions. */
  static final class LoggingHandler implements SubscriberExceptionHandler {