private final int fid;

    /**
     * Constructs a TransPeekNamedPipe request to check the status of a named pipe.
     *
     * @param config the SMB configuration
     * @param pipeName the name of the pipe to peek
     * @param fid the file identifier for the pipe
     */
    public TransPeekNamedPipe(final Configuration config, final String pipeName, final int fid) {
        super(config, SMB_COM_TRANSACTION, TRANS_PEEK_NAMED_PIPE);

 */
package jcifs.internal.smb2.ioctl;

import jcifs.Decodable;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * Response structure for SMB2 IOCTL pipe peek operation.
 * Provides information about data available in a named pipe.
 *
 * @author svella
 *
 */
public class SrvPipePeekResponse implements Decodable {

    /**
     * Constructs a new SrvPipePeekResponse.

    Iterator<String> nonpeek = Lists.newArrayList("a", "b", "c").iterator();
    PeekingIterator<String> peek = Iterators.peekingIterator(nonpeek);
    assertNotSame(peek, nonpeek);
    assertSame(peek, Iterators.peekingIterator(peek));
    assertSame(peek, Iterators.peekingIterator((Iterator<String>) peek));
  }

}

func (b *Reader) readErr() error {
	err := b.err
	b.err = nil
	return err
}

// Peek returns the next n bytes without advancing the reader. The bytes stop
// being valid at the next read call. If necessary, Peek will read more bytes
// into the buffer in order to make n bytes available. If Peek returns fewer
// than n bytes, it also returns an error explaining why the read is short.

    segment.readCount.incrementAndGet();
    segment.count = 1;
    segment.totalWeight = 1;

    assertSame(entry, table.get(0));
    assertSame(entry, segment.accessQueue.peek());
    assertSame(entry, segment.writeQueue.peek());

    segment.clear();
    assertNull(table.get(0));
    assertTrue(segment.accessQueue.isEmpty());
    assertTrue(segment.writeQueue.isEmpty());

    public String toString() {
      return standardToString();
    }

    @Override
    public boolean offer(T o) {
      return standardOffer(o);
    }

    @Override
    public @Nullable T peek() {
      return standardPeek();
    }

    @Override
    public @Nullable T poll() {
      return standardPoll();
    }
  }

  @AndroidIncompatible // test-suite builders

    trailersWithServerTruncatedResponse(Protocol.HTTP_2)
  }

  /**
   * If the server closes the connection while the client is consuming the response body, attempts
   * to peek or read the trailers should throw.
   */
  private fun trailersWithServerTruncatedResponse(protocol: Protocol) {
    val responseBody = "a".repeat(OKHTTP_CLIENT_WINDOW_SIZE)
    enableProtocol(protocol)

    checkNotNull(valuesFunction);
    return collectingAndThen(
        flatteningToMultimap(
            input -> checkNotNull(keyFunction.apply(input)),
            input -> valuesFunction.apply(input).peek(Preconditions::checkNotNull),
            MultimapBuilder.linkedHashKeys().arrayListValues()::<K, V>build),
        ImmutableListMultimap::copyOf);
  }

  static <T extends @Nullable Object, K, V>

    checkNotNull(valuesFunction);
    return collectingAndThen(
        flatteningToMultimap(
            input -> checkNotNull(keyFunction.apply(input)),
            input -> valuesFunction.apply(input).peek(Preconditions::checkNotNull),
            MultimapBuilder.linkedHashKeys().arrayListValues()::<K, V>build),
        ImmutableListMultimap::copyOf);
  }

  static <T extends @Nullable Object, K, V>

    Iterator<String> nonpeek = Lists.newArrayList("a", "b", "c").iterator();
    PeekingIterator<String> peek = Iterators.peekingIterator(nonpeek);
    assertNotSame(peek, nonpeek);
    assertSame(peek, Iterators.peekingIterator(peek));
    assertSame(peek, Iterators.peekingIterator((Iterator<String>) peek));
  }