* specifiers</a>, and alert you to usage errors by throwing {@link
   * java.util.IllegalFormatException}.
   *
   * <p>In certain cases, such as outputting debugging information or constructing a message to be
   * used for another unchecked exception, an exception during string formatting would serve little
   * purpose except to supplant the real information you were trying to provide. These are the cases

      statsCounter.recordLoadException(ticker.read() - startTime);
      throw new ExecutionError(e);
    }

    if (calculatedValue == null) {
      String message = loader + " returned null for key " + key + ".";
      throw new CacheLoader.InvalidCacheLoadException(message);
    }
    statsCounter.recordLoadSuccess(ticker.read() - startTime);
    return calculatedValue;
  }

  private V getIfPresent(Object key) {

   * eliminate duplicate keys (for buildKeepingLast()) then we have to ensure that a later call to
   * buildOrThrow() will still throw as if the duplicates had not been eliminated. And the exception
   * message must mention two values that were associated with the duplicate key in two different
   * calls to Builder.put (though we don't really care *which* two values if there were more than

  }

  /**
   * Ensures that {@code expression} is {@code true}, throwing a {@code VerifyException} with a
   * custom message otherwise.
   *
   * @param expression a boolean expression
   * @param errorMessageTemplate a template for the exception message should the check fail. The
   *     message is formed by replacing each {@code %s} placeholder in the template with an

  public UncheckedTimeoutException() {}

  public UncheckedTimeoutException(@CheckForNull String message) {
    super(message);
  }

  public UncheckedTimeoutException(@CheckForNull Throwable cause) {
    super(cause);
  }

  public UncheckedTimeoutException(@CheckForNull String message, @CheckForNull Throwable cause) {
    super(message, cause);
  }

  private static final long serialVersionUID = 0;

        tester.numCallsToVerify,
        tester.numCallsToNewTargetIterator * STEPS);
  }

  public void testVerifyCanThrowAssertionThatFailsTest() {
    final String message = "Important info about why verify failed";
    IteratorTester<Integer> tester =
        new IteratorTester<Integer>(
            1, MODIFIABLE, newArrayList(1, 2, 3), IteratorTester.KnownOrder.KNOWN_ORDER) {

      if (overWaitUnits > 0) {
        message += overWaitUnits + " " + unitString;
        if (shouldShowExtraNanos) {
          message += ",";
        }
        message += " ";
      }
      if (shouldShowExtraNanos) {
        message += overWaitLeftoverNanos + " nanoseconds ";
      }

      message += "delay)";
    }

          }
        };

    private PermittedMetaException(String message) {
      super(message);
    }

    abstract boolean isPermitted(Exception exception);

    void assertPermitted(Exception exception) {
      if (!isPermitted(exception)) {
        String message =
            "Exception "
                + exception.getClass().getSimpleName()

      throw new IllegalArgumentException(name + " must be positive but was: " + value);
    }
  }

  /**
   * Precondition tester for {@code Iterator.remove()} that throws an exception with a consistent
   * error message.
   */
  static void checkRemove(boolean canRemove) {
    checkState(canRemove, "no calls to next() since the last call to remove()");
  }

      throw new IllegalArgumentException(name + " must be positive but was: " + value);
    }
  }

  /**
   * Precondition tester for {@code Iterator.remove()} that throws an exception with a consistent
   * error message.
   */
  static void checkRemove(boolean canRemove) {
    checkState(canRemove, "no calls to next() since the last call to remove()");
  }