return previousSuccessor == null ? null : (V) previousSuccessor;
  }

  private static boolean isPredecessor(@Nullable Object value) {
    return (value == PRED) || (value instanceof PredAndSucc);
  }

  private static boolean isSuccessor(@Nullable Object value) {
    return (value != PRED) && (value != null);
  }

    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.size();
    }

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

    @Override
    public boolean containsValue(@Nullable Object value) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.containsValue(value);
    }

    @Override

    private final ConcurrentHashMap<String, FileInfo> children;
    private final ReadWriteLock lock;
    
    // Cache metadata
    private volatile boolean isComplete;  // True if full enumeration cached
    private volatile boolean hasChanges;  // True if changes detected
    private DirectoryCacheScope scope;
    private long maxAge;
    

   * edges() implementation.
   */
  @Override
  protected long edgeCount() {
    return delegate().edges().size();
  }

  @Override
  public boolean isDirected() {
    return delegate().isDirected();
  }

  @Override
  public boolean allowsSelfLoops() {
    return delegate().allowsSelfLoops();
  }

  @Override
  public ElementOrder<N> nodeOrder() {
    return delegate().nodeOrder();
  }

    public void addBuildSummary(BuildSummary summary) {
        buildSummaries.put(summary.getProject(), summary);
    }

    @Override
    public boolean canResume() {
        return canResume;
    }

    @Override
    public void setCanResume(boolean canResume) {
        this.canResume = canResume;
    }

    protected final ColumnInfo _columnAvailable = cci("available", "available", null, null, Boolean.class, "available", null, false, false,
            false, "Boolean", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnCrawler = cci("crawler", "crawler", null, null, Boolean.class, "crawler", null, false, false, false,
            "Boolean", 0, 0, null, null, false, null, null, null, null, null, false);

    /** Whether to use Unicode strings */
    boolean USE_UNICODE = Config.getBoolean("jcifs.smb1.smb.client.useUnicode", true);
    /** Whether to force Unicode usage */
    boolean FORCE_UNICODE = Config.getBoolean("jcifs.smb1.smb.client.useUnicode", false);
    /** Whether to use NT status codes */
    boolean USE_NTSTATUS = Config.getBoolean("jcifs.smb1.smb.client.useNtStatus", true);

    }

    @Override
    public boolean remove(@Nullable Object key) {
      if (!contains(key)) {
        return false;
      }
      removeFromBothMaps(key);
      return true;
    }

    @Override
    public boolean removeAll(Collection<?> keysToRemove) {
      return standardRemoveAll(keysToRemove);
    }

    @Override
    public boolean retainAll(Collection<?> keysToRetain) {

import javax.net.ssl.X509TrustManager
import okhttp3.Protocol

interface SocketAdapter {
  fun isSupported(): Boolean

  fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? = null

  fun matchesSocket(sslSocket: SSLSocket): Boolean

  fun matchesSocketFactory(sslSocketFactory: SSLSocketFactory): Boolean = false

  fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,

    }

    /**
     * Retrieves a setting value as a boolean.
     * @param key The key of the setting.
     * @param defaultValue The default value if the setting is not found.
     * @return The setting value as a boolean.
     */
    public boolean getAsBoolean(final String key, final boolean defaultValue) {
        final Object obj = get(key);

        final boolean value;
        if (obj == null) {