*     Guava 27.0
 */
public final class InternalFutures {
  /**
   * Usually returns {@code null} but, if the given {@code Future} has failed, may <i>optionally</i>
   * return the cause of the failure. "Failure" means specifically "completed with an exception"; it
   * does not include "was cancelled." To be explicit: If this method returns a non-null value,
   * then:
   *
   * <ul>
   *   <li>{@code isDone()} must return {@code true}

        sdd.useUnicode = false;
        // format byte + path + null terminator
        byte[] expected = new byte[1 + dirName.length() + 1];
        expected[0] = 0x04; // buffer format
        System.arraycopy(dirName.getBytes(), 0, expected, 1, dirName.length());
        expected[dirName.length() + 1] = 0x00; // null terminator

        byte[] dst = new byte[100];
        int len = sdd.writeBytesWireFormat(dst, 0);

    public void testMemoryCacheWithNullData() {
        ContentCache cache = new ContentCache((byte[]) null);

        try (InputStream stream = cache.getInputStream()) {
            fail("Expected NullPointerException for null data");
        } catch (NullPointerException e) {
            // Expected - cannot create ByteArrayInputStream with null
        } catch (IOException e) {
            fail("Expected NullPointerException, not IOException");

        processMethod.setAccessible(true);

        try {
            Integer result = (Integer) processMethod.invoke(null, options);
            assertNotNull(result);
            assertEquals(1, result.intValue());
        } catch (Exception e) {
            // Expected behavior when components are not fully initialized

  }

  @CollectionSize.Require(SEVERAL)
  public void testLower() {
    resetWithHole();
    assertEquals(null, navigableMap.lowerEntry(a.getKey()));
    assertEquals(null, navigableMap.lowerKey(a.getKey()));
    assertEquals(a, navigableMap.lowerEntry(b.getKey()));
    assertEquals(a.getKey(), navigableMap.lowerKey(b.getKey()));

    assertThrows(UnsupportedOperationException.class, () -> navigableSet.pollFirst());
  }

  @CollectionSize.Require(SEVERAL)
  public void testLowerHole() {
    resetWithHole();
    assertEquals(null, navigableSet.lower(a));
    assertEquals(a, navigableSet.lower(b));
    assertEquals(a, navigableSet.lower(c));
  }

  @CollectionSize.Require(SEVERAL)
  public void testFloorHole() {
    resetWithHole();

   * forward to this implementation.
   */
  protected @Nullable Entry<E> standardFirstEntry() {
    Iterator<Entry<E>> entryIterator = entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();
    return Multisets.immutableEntry(entry.getElement(), entry.getCount());
  }

  @Override
  public @Nullable Entry<E> lastEntry() {

  }

  @CollectionSize.Require(SEVERAL)
  public void testLower() {
    resetWithHole();
    assertEquals(null, navigableMap.lowerEntry(a.getKey()));
    assertEquals(null, navigableMap.lowerKey(a.getKey()));
    assertEquals(a, navigableMap.lowerEntry(b.getKey()));
    assertEquals(a.getKey(), navigableMap.lowerKey(b.getKey()));

        if (this == obj)
            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        ChannelInfo that = (ChannelInfo) obj;
        return channelId != null ? channelId.equals(that.channelId) : that.channelId == null;
    }

    @Override
    public int hashCode() {
        return channelId != null ? channelId.hashCode() : 0;
    }

        legacySupport.setSession(mavenSession);
        InternalSession iSession = new DefaultSession(
                mavenSession,
                resolverRepositorySystem,
                null,
                null,
                new SimpleLookup(List.of(
                        new DefaultRequestCacheFactory(),
                        new DefaultRepositoryFactory(new DefaultRemoteRepositoryManager(