}

    @Override
    public boolean hasMethodDesc(final String methodName) {
        assertArgumentNotEmpty("methodName", methodName);

        return methodDescsCache.containsKey(methodName);
    }

    @Override
    public String[] getMethodNames() {
        return methodDescsCache.keySet().toArray(new String[methodDescsCache.size()]);
    }

    /**

    /**
     * Creates a {@link Tokenizer}.
     *
     * @param str
     *            The string. Must not be {@literal null}.
     */
    public Tokenizer(final String str) {
        this(str, defaultCtype);
    }

    /**
     * Creates a {@link Tokenizer}.
     *
     * @param str
     *            The string. Must not be {@literal null}.
     * @param ctype

        String testValue = "test string";
        OptionalEntity<String> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }

    public void test_ofNullable_withNullString() {
        String testValue = null;
        OptionalEntity<String> result = OptionalUtil.ofNullable(testValue);

    @Size(max = 100)
    public String scriptType;

    /**
     * The script data or code for the scheduled job.
     */
    @CustomSize(maxKey = "form.admin.max.input.size")
    public String scriptData;

    /**
     * Whether this job is related to crawling.
     */
    public String crawler;

    /**
     * Whether job logging is enabled.
     */
    public String jobLogging;

    /**

 */
@GwtCompatible
final class MathPreconditions {
  @CanIgnoreReturnValue
  static int checkPositive(String role, int x) {
    if (x <= 0) {
      throw new IllegalArgumentException(role + " (" + x + ") must be > 0");
    }
    return x;
  }

  @CanIgnoreReturnValue
  static long checkPositive(String role, long x) {
    if (x <= 0) {
      throw new IllegalArgumentException(role + " (" + x + ") must be > 0");
    }

    }
  }

  private static class Request {
    final String methodName;
    final Object[] arguments;

    Request(String methodName, Object[] arguments) {
      this.methodName = checkNotNull(methodName);
      this.arguments = checkNotNull(arguments);
    }
  }

  private static class Response {
    final String methodName;
    final Object result;
    final Throwable throwable;

     * @return stream of tag-attribute pairs for URL extraction
     */
    @Override
    protected Stream<Pair<String, String>> getChildUrlRules(final ResponseData responseData, final ResultData resultData) {
        final Map<String, String> configMap = getConfigPrameterMap(responseData, ConfigName.CONFIG);
        final String ruleString = configMap.get(Config.HTML_CHILD_URL_RULES);
        if (StringUtil.isBlank(ruleString)) {

        final EmptyIterator<String> emptyIterator = new EmptyIterator<String>();
        emptyIterator.remove();
    }

    /**
     * Test method for
     * {@link org.codelibs.core.collection.EmptyIterator#hasNext()}.
     */
    @Test
    public void testHasNext() {
        final EmptyIterator<String> emptyIterator = new EmptyIterator<String>();
        assertThat(emptyIterator.hasNext(), is(false));

        String message = "";
        PluginException exception = new PluginException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Plugin error with null cause";

        assertThat(traverser.isExistClass(DummyTest.class.getName()), is(true));
        assertThat(traverser.isExistClass(TestCase.class.getName()), is(not(true)));

        final Set<String> set = new HashSet<String>();
        traverser.forEach((ClassHandler) (packageName, shortClassName) -> set.add(ClassUtil.concatName(packageName, shortClassName)));
        assertThat(set.size() > 0, is(true));