/**
   * Pointer to the predecessor of an entry in insertion order. ENDPOINT indicates a node is the
   * first node in insertion order; all values at indices ≥ {@link #size()} are UNSET.
   */
  private transient int @Nullable [] predecessor;

  /**
   * Pointer to the successor of an entry in insertion order. ENDPOINT indicates a node is the last

  /**
   * Pointer to the predecessor of an entry in insertion order. ENDPOINT indicates a node is the
   * first node in insertion order; all values at indices ≥ {@link #size()} are UNSET.
   */
  private transient int @Nullable [] predecessor;

  /**
   * Pointer to the successor of an entry in insertion order. ENDPOINT indicates a node is the last

            assertEquals(6, entry.name.maximum_length);
        }

        @Test
        @DisplayName("Should decode entry with null buffer pointer")
        void testDecodeNullBufferPointer() throws NdrException {
            // Given: Mocked buffer data with null pointer
            samr.SamrSamEntry entry = new samr.SamrSamEntry();
            when(mockNdrBuffer.dec_ndr_long()).thenReturn(1, 0); // idx, _name_bufferp = 0

   *
   * @throws IllegalArgumentException if there is a loop in the causal chain
   */
  public static Throwable getRootCause(Throwable throwable) {
    // Keep a second pointer that slowly walks the causal chain. If the fast pointer ever catches
    // the slower pointer, then there's a loop.
    Throwable slowPointer = throwable;
    boolean advanceSlowPointer = false;

    Throwable cause;

        int written = packet.writeResourceRecordWireFormat(dst, 0);
        assertEquals(12, written); // 2 (pointer) + 2 (type) + 2 (class) + 4 (ttl) + 2 (rDataLength) + 0 (rData)

        assertEquals((byte) 0xC0, dst[0]); // Pointer
        assertEquals((byte) 0x0C, dst[1]);
        assertEquals((byte) 0x00, dst[2]); // recordType high byte

        }
        message.setIpAddresses(ipAddresses);
    }

    /**
     * Decodes a wide string pointer from NDR format.
     */
    private String decodeWideStringPointer(NdrBuffer buf) throws NdrException {
        int pointer = buf.dec_ndr_long();
        if (pointer == 0) {
            return null; // NULL pointer
        }

        int maxCount = buf.dec_ndr_long();
        int offset = buf.dec_ndr_long();

 *
 * Code Points in Sections
 * =======================
 *
 * The full range of code points is 0..0x10fffe. We can represent any of these code points with 21
 * bits.
 *
 * We split each code point into a 14-bit prefix and a 7-bit suffix. All code points with the same
 * prefix are called a 'section'. There are 128 code points per section.
 *
 * Ranges Data (32,612 bytes)

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Unit tests for {@link LongAdder}. */
@NullUnmarked
public class LongAdderTest extends TestCase {

  /**
   * No-op null-pointer test for {@link LongAdder} to override the {@link PackageSanityTests}
   * version, which checks package-private methods that we don't want to have to annotate as {@code
   * Nullable} because we don't want diffs from jsr166e.
   */

     */
    @Test
    void testNoNullRefConstant() {
        assertNotNull(NdrException.NO_NULL_REF, "NO_NULL_REF constant should not be null.");
        assertEquals("ref pointer cannot be null", NdrException.NO_NULL_REF, "NO_NULL_REF constant should have the expected value.");
    }

    /**
     * Test the INVALID_CONFORMANCE static field.

- Replaced deprecated package `k8s.io/utils/pointer` with `k8s.io/utils/ptr` for the apiextensions-apiserver apiextensions. ([#132723](https://github.com/kubernetes/kubernetes/pull/132723), [@PatrickLaabs](https://github.com/PatrickLaabs))