public void test_apply_object() {
        BooleanFunction<Object> isNotNull = obj -> obj != null;

        assertTrue(isNotNull.apply("test"));
        assertTrue(isNotNull.apply(123));
        assertTrue(isNotNull.apply(new Object()));
        assertFalse(isNotNull.apply(null));
    }

    @Test
    public void test_apply_boolean() {
        BooleanFunction<Boolean> identity = b -> b != null && b;

  }

  @Override
  public Set<Entry<K, V>> entries() {
    return (Set<Entry<K, V>>) super.entries();
  }

  @Override
  Set<Entry<K, V>> createEntries() {
    return new EntrySet();
  }

  private final class EntrySet extends Entries implements Set<Entry<K, V>> {
    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override

        TimeZone.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToCalendar() throws Exception {
        final Date date = new Date();
        final Calendar cal = CalendarConversionUtil.toCalendar(date);
        assertEquals(date, cal.getTime());
    }

    /**
     *
     * @throws Exception
     */
    @Test

class ProblemCollectorFactoryTest {

    @Test
    void testNewInstance() {
        ProblemCollector collector1 = ProblemCollectorFactory.newInstance(null);

        Problem problem = new DefaultProblem("MESSAGE1", null, null, -1, -1, null);
        ProblemCollector collector2 = ProblemCollectorFactory.newInstance(Collections.singletonList(problem));

        assertNotSame(collector1, collector2);

	info.Used = info.Total - info.Free
	return info, nil
}

// GetDriveStats returns IO stats of the drive by its major:minor
func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
	return IOStats{}, errors.New("operation unsupported")

/**
 * Form class for deleting documents from search results in the admin interface.
 * Contains query and document ID fields for targeted document deletion.
 */
public class DeleteForm {

    /**
     * Creates a new instance of DeleteForm.
     * This constructor initializes the form for deleting documents from search results
     * in the admin interface with validation rules for query and document identification.
     */

     * @return the wrapped query string with leading and trailing asterisks
     */
    protected static String wrapQuery(final String query) {
        final StringBuilder sb = new StringBuilder();
        if (!query.startsWith("*")) {
            sb.append("*");
        }
        sb.append(query);
        if (!query.endsWith("*")) {
            sb.append("*");
        }

    @Override
    public void fetchFirst(int fetchSize) {
        _fetchScopeEffective = true;
        if (fetchSize < 0) {
            String msg = "Argument[fetchSize] should be plus: " + fetchSize;
            throw new IllegalArgumentException(msg);
        }
        _fetchStartIndex = 0;
        _fetchSize = fetchSize;
        _fetchPageNumber = 1;
        doClearFetchPageClause();
        doFetchFirst();
    }

        asDocMeta().version(version);
    }

    public Date getExpires() {
        if (getExpiredTime() == null) {
            return null;
        }
        return new Date(getExpiredTime());
    }

    public void setExpires(final Date date) {
        setExpiredTime(date != null ? date.getTime() : null);
    }

    @Override
    public String toString() {

  public static <K, V> ConcurrentNavigableMapTestSuiteBuilder<K, V> using(
      TestSortedMapGenerator<K, V> generator) {
    ConcurrentNavigableMapTestSuiteBuilder<K, V> result =
        new ConcurrentNavigableMapTestSuiteBuilder<>();
    result.usingGenerator(generator);
    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override