}

    /**
     * Validate the specified settings.
     *
     * @param settings The settings to validate, must not be {@code null}.
     * @return The list of problems that were encountered, must not be {@code null}.
     */
    @Nonnull
    default ProblemCollector<BuilderProblem> validate(@Nonnull Settings settings) {
        return validate(settings, false);
    }

    /**

     * Get the value for the key 'development.here'. <br>
     * The value is, e.g. true <br>
     * comment: Is development environment here? (used for various purpose, you should set false if unknown)
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getDevelopmentHere();

    /**
     * Is the property for the key 'development.here' true? <br>
     * The value is, e.g. true <br>

    checkNotNull(string); // eager for GWT.

    if (count <= 1) {
      checkArgument(count >= 0, "invalid count: %s", count);
      return (count == 0) ? "" : string;
    }

    // IF YOU MODIFY THE CODE HERE, you must update StringsRepeatBenchmark
    int len = string.length();
    long longSize = (long) len * (long) count;
    int size = (int) longSize;
    if (size != longSize) {

 * the keys in the order they were first added to the multimap. Similarly, {@code get}, {@code
 * removeAll}, and {@code replaceValues} return collections that iterate through the values in the
 * order they were added. The collections generated by {@code entries} and {@code values} iterate
 * across the key-value mappings in the order they were added to the multimap.
 *

    }

    public void test_determineValid_invalidExpressions() {
        assertFalse(validator.determineValid("invalid"));
        assertFalse(validator.determineValid("too many fields here * * * * * * *"));
        assertFalse(validator.determineValid("* * * *"));
    }

    public void test_isValid_basicInvalidCronExpression() {
        final ConstraintValidatorContext context = null;

  @Benchmark
  void postStrings(int reps) {
    for (int i = 0; i < reps; i++) {
      eventBus.post("hello there");
    }
  }

  @Subscribe
  public void handleStrings(String string) {
    // Nothing to do here.
  }

     * method returns {@code true}, it means that element count of stream returned by method {@link #problems()}
     * and the counter returned by {@link #totalProblemsReported()} are not equal (latter is bigger than former).
     *
     * @return true if the problem collector has overflowed and some problems were not preserved
     */
    boolean problemsOverflow();

      // should never reach here!
      throw new UnsupportedOperationException();
    }

    @Override
    public Entry<K, V> belowSamplesGreater() {
      // should never reach here!
      throw new UnsupportedOperationException();
    }

    @Override
    public Entry<K, V> aboveSamplesLesser() {
      // should never reach here!
      throw new UnsupportedOperationException();
    }

 * the order they were first added to the multimap. Similarly, {@link #get}, {@link #removeAll}, and
 * {@link #replaceValues} return collections that iterate through the values in the order they were
 * added. The collections generated by {@link #entries()}, {@link #keys()}, and {@link #values}
 * iterate across the key-value mappings in the order they were added to the multimap.
 *

    static String getMessageByCode(final int errcode) {
        /* Note there's a signedness error here because 0xC0000000 based values are
         * negative so it with NT_STATUS_SUCCESS (0) the binary search will not be
         * performed properly. The effect is that the code at index 1 is never found
         * (NT_STATUS_UNSUCCESSFUL). So here we factor out NT_STATUS_SUCCESS
         * as a special case (which it is).
         */