Blocking APIs may be inefficient because you hold a thread idle while waiting on the network. Threads are expensive because they have both a memory overhead and a context-switching overhead.

#### Framed protocols

 * along with information about the read operation.
 *
 * @author mbechler
 */
public class Smb2ReadResponse extends ServerMessageBlock2Response {

    /**
     * Protocol overhead size for SMB2 read response
     */
    public static final int OVERHEAD = Smb2Constants.SMB2_HEADER_LENGTH + 16;

    private int dataRemaining;
    private int dataLength;
    private final byte[] outputBuffer;
    private final int outputBufferOffset;

 *
 * @author mbechler
 *
 */
public class Smb2QueryInfoResponse extends ServerMessageBlock2Response {

    /**
     * Protocol overhead size for SMB2 query info response
     */
    public static final int OVERHEAD = Smb2Constants.SMB2_HEADER_LENGTH + 8;

    private final byte expectInfoType;
    private final byte expectInfoClass;
    private Decodable info;

    /**

  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

  private void validate() {
    // Don't use checkState(), because we don't want the overhead of generating the error message
    // unless it's actually going to be used; validate() is called for all set method calls, so it
    // needs to be fast.

 *
 * @author mbechler
 */
public class Smb2WriteRequest extends ServerMessageBlock2Request<Smb2WriteResponse> implements RequestWithFileId {

    /**
     * The overhead size in bytes for an SMB2 write request packet.
     */
    public static final int OVERHEAD = Smb2Constants.SMB2_HEADER_LENGTH + 48;

    private byte[] data;
    private int dataOffset;
    private int dataLength;

    private byte[] fileId;

 *
 * @author mbechler
 *
 */
public class Smb2QueryDirectoryResponse extends ServerMessageBlock2Response {

    /**
     * Protocol overhead size for SMB2 query directory response
     */
    public static final int OVERHEAD = Smb2Constants.SMB2_HEADER_LENGTH + 8;

    private final byte expectInfoClass;
    private FileEntry[] results;

    /**

 *
 * @author David Richter
 */
@NullUnmarked
public class IteratorBenchmark {
  @Param({"0", "1", "16", "256", "4096", "65536"})
  int size;

  // use concrete classes to remove any possible polymorphic overhead?
  Object[] array;
  ArrayList<Object> arrayList;
  LinkedList<Object> linkedList;

  @BeforeExperiment
  void setUp() {
    array = new Object[size];
    arrayList = Lists.newArrayListWithCapacity(size);

        super(config, SMB2_QUERY_INFO);
        this.outputBufferLength = Math.min(config.getMaximumBufferSize(), config.getListSize()) - Smb2QueryInfoResponse.OVERHEAD & ~0x7;
        this.fileId = fileId;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.RequestWithFileId#setFileId(byte[])
     */
    @Override

import com.google.common.base.Function;
import java.util.ListIterator;
import org.jspecify.annotations.Nullable;

/**
 * An iterator that transforms a backing list iterator; for internal use. This avoids the object
 * overhead of constructing a {@link Function} for internal methods.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
abstract class TransformedListIterator<F extends @Nullable Object, T extends @Nullable Object>

import com.google.common.base.Function;
import java.util.ListIterator;
import org.jspecify.annotations.Nullable;

/**
 * An iterator that transforms a backing list iterator; for internal use. This avoids the object
 * overhead of constructing a {@link Function} for internal methods.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
abstract class TransformedListIterator<F extends @Nullable Object, T extends @Nullable Object>