return new Builder<B>().putAll(map).build();
  }

  private final ImmutableMap<Class<? extends B>, B> delegate;

  private ImmutableClassToInstanceMap(ImmutableMap<Class<? extends B>, B> delegate) {
    this.delegate = delegate;
  }

  @Override
  protected Map<Class<? extends B>, B> delegate() {
    return delegate;
  }

  @Override
  @SuppressWarnings("unchecked") // value could not get in if not a T

                    // release
                    old.release(true);
                }
            }
            if ( this.delegate != null && this.delegateAcquired ) {
                log.debug("Releasing delegate");
                this.delegateAcquired = false;
                this.delegate.release();
            }
        }
    }


    /**
     * @return tree connection with increased usage count

class NetServerFileEntryAdapterIterator extends FileEntryAdapterIterator {

    /**
     * @param parent
     * @param delegate
     * @param filter
     */
    public NetServerFileEntryAdapterIterator ( SmbResource parent, NetServerEnumIterator delegate, ResourceFilter filter ) {
        super(parent, delegate, filter);
    }


    /**
     * @param fe
     * @return
     * @throws MalformedURLException
     */

/**
 * A sink that executes [trigger] after [triggerByteCount] bytes are written, and then skips all
 * subsequent bytes.
 */
internal class TriggerSink(
  private val delegate: Sink,
  private val triggerByteCount: Long,
  private val trigger: () -> Unit,
) : Sink by delegate {
  private var bytesWritten = 0L

  override fun write(
    source: Buffer,
    byteCount: Long,
  ) {

  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableSetMultimap.copyOf(delegate).asMap();
  }

          // requireNonNull(delegate) is safe for reasons similar to requireNonNull(sequencer).
          submittingTaskQueue.nextExecutor = requireNonNull(delegate);
          delegate = null;
        } else {
          // requireNonNull(delegate) is safe for reasons similar to requireNonNull(sequencer).
          Executor localDelegate = requireNonNull(delegate);
          delegate = null;
          this.task = task;

    private Credentials creds;


    /**
     * @param delegate
     * @param creds
     *            Crendentials to use
     */
    public CIFSContextCredentialWrapper ( AbstractCIFSContext delegate, Credentials creds ) {
        super(delegate);
        this.creds = creds;
    }


    /**
     * 
     * {@inheritDoc}
     *

          // requireNonNull(delegate) is safe for reasons similar to requireNonNull(sequencer).
          submittingTaskQueue.nextExecutor = requireNonNull(delegate);
          delegate = null;
        } else {
          // requireNonNull(delegate) is safe for reasons similar to requireNonNull(sequencer).
          Executor localDelegate = requireNonNull(delegate);
          delegate = null;
          this.task = task;

  }

  /** Like using() but overrideable by NavigableSetTestSuiteBuilder. */
  SortedSetTestSuiteBuilder<E> newBuilderUsing(
      TestSortedSetGenerator<E> delegate, Bound to, Bound from) {
    return using(new SortedSetSubsetTestSetGenerator<E>(delegate, to, from));
  }

  }

  /** Like using() but overrideable by NavigableSetTestSuiteBuilder. */
  SortedSetTestSuiteBuilder<E> newBuilderUsing(
      TestSortedSetGenerator<E> delegate, Bound to, Bound from) {
    return using(new SortedSetSubsetTestSetGenerator<E>(delegate, to, from));
  }