checkNotNull(mutex);
      this.delegate = delegate;
      this.mutex = mutex;
    }

    @Override
    protected Map<K, V> delegate() {
      return delegate;
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return super.size();
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return super.isEmpty();
    }

     *
     * @return the UUID string
     */
    public static String create() {
        final StringBuilder buf = new StringBuilder(BASE.length() * 2);
        buf.append(BASE);
        final int lowTime = (int) (System.currentTimeMillis() >> 32);
        StringUtil.appendHex(buf, lowTime);
        StringUtil.appendHex(buf, RANDOM.nextInt());
        return buf.toString();
    }

    private static byte[] getAddress() {

      Random random = new Random();
      byte[] expected = factory.getExpected(bytes);
      // if expected.length == 0, off has to be 0 but length doesn't matter--result will be empty
      int off = expected.length == 0 ? 0 : random.nextInt(expected.length);
      int len = expected.length == 0 ? 4 : random.nextInt(expected.length - off);

      ByteSourceFactory sliced = SourceSinkFactories.asSlicedByteSourceFactory(factory, off, len);

            return Integer.valueOf(3);
        }

        /**
         * @param arg1
         * @param arg2
         * @return int
         */
        public int add2(final int arg1, final int arg2) {
            return arg1 + arg2;
        }

        /**
         * @param arg
         * @return Integer
         */

        securityDescriptorBytes[3] = 0;
        // No owner (offset 0)
        for (int i = 4; i < 8; i++)
            securityDescriptorBytes[i] = 0;
        // No group (offset 0)
        for (int i = 8; i < 12; i++)
            securityDescriptorBytes[i] = 0;
        // No SACL (offset 0)
        for (int i = 12; i < 16; i++)
            securityDescriptorBytes[i] = 0;
        // DACL at offset 20

                }
            }
        }
        return decoded;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((getId() == null) ? 0 : getId().hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import jcifs.smb.SID;

class PacSidAttributesTest {

    private SID sidMock;
    private PacSidAttributes pacSidAttributes;
    private final int attributes = 12345;

    @BeforeEach
    void setUp() {
        // Mock the SID object
        sidMock = mock(SID.class);
        // Create a new PacSidAttributes instance before each test

        final Map<String, Object> map = new HashMap<>();
        map.put(FieldNames.TEXT, item.getText());

        final String[][] readings = item.getReadings();
        for (int i = 0; i < readings.length; i++) {
            final String[] values = readings[i] == null ? null : Arrays.stream(readings[i]).distinct().toArray(n -> new String[n]);
            map.put(FieldNames.READING_PREFIX + i, values);

  @ListFeature.Require(SUPPORTS_SET)
  public void testSet_replacingNull() {
    E[] elements = createSamplesArray();
    int i = aValidIndex();
    elements[i] = null;
    collection = getSubjectGenerator().create(elements);

    doTestSet(e3());
  }

  private void doTestSet(E newValue) {
    int index = aValidIndex();
    E initialValue = getList().get(index);
    assertEquals(

            }
          }
        };

    assertTrue(iter.hasNext());
    assertEquals(0, (int) iter.next());

    // verify idempotence of hasNext()
    assertTrue(iter.hasNext());
    assertTrue(iter.hasNext());
    assertTrue(iter.hasNext());
    assertEquals(1, (int) iter.next());

    assertFalse(iter.hasNext());

    // Make sure computeNext() doesn't get invoked again