int NT_STATUS_NONE_MAPPED = 0xC0000073;
    /** The security ID structure is invalid */
    int NT_STATUS_INVALID_SID = 0xC0000078;
    /** The disk is full */
    int NT_STATUS_DISK_FULL = 0xC000007f;
    /** Insufficient resources are available to complete the request */
    int NT_STATUS_INSUFFICIENT_RESOURCES = 0xC000009a;
    /** The requested pipe instance is not available */
    int NT_STATUS_INSTANCE_NOT_AVAILABLE = 0xC00000ab;

   * approximate size of HTTP/2 headers before they are compressed with HPACK. This value is
   * intended to be used as a metric: smaller headers are more efficient to encode and transmit.
   */
  fun byteCount(): Long {
    // Each header name has 2 bytes of overhead for ': ' and every header value has 2 bytes of
    // overhead for '\r\n'.

import jcifs.internal.smb2.ioctl.SrvCopychunkCopy;
import jcifs.internal.smb2.ioctl.SrvRequestResumeKeyResponse;

/**
 * Utility class for SMB file copy operations.
 * Provides methods for efficient server-side copying using SMB2 IOCTL operations.
 *
 * @author mbechler
 *
 */
public final class SmbCopyUtil {

    private static final Logger log = LoggerFactory.getLogger(SmbCopyUtil.class);

    /**

import java.util.EnumSet;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.atomic.AtomicLong;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * RDMA buffer manager for efficient memory region pooling.
 *
 * Manages pools of pre-registered memory regions to avoid the overhead
 * of frequent registration/deregistration during RDMA operations.
 */

        }
        return (T) field;
    }

    /**
     * Iterates through all access results for a session, calling the callback for each result.
     * Uses OpenSearch scroll API for efficient iteration over large result sets.
     *
     * @param sessionId The session ID.
     * @param callback The callback to execute for each access result.
     */
    @Override

  }

  /*
   * Not subclassing AbstractMultiset$MultisetIterator because next() needs to
   * retrieve the Map.Entry<E, Count> entry, which can then be used for
   * a more efficient remove() call.
   */
  private final class MapBasedMultisetIterator implements Iterator<E> {
    final Iterator<Map.Entry<E, Count>> entryIterator;
    Map.@Nullable Entry<E, Count> currentEntry;

   *
   * While intuitively, using CharsetEncoder to encode the CharSequence directly to the buffer (or
   * even to an intermediate buffer) should be considerably more efficient than potentially
   * copying the CharSequence to a String and then calling getBytes(Charset) on that String, in
   * reality there are optimizations that make the getBytes(Charset) approach considerably faster,

     */
    long deadline = System.nanoTime() + unit.toNanos(timeout);
    int added = 0;
    while (added < numElements) {
      // we could rely solely on #poll, but #drainTo might be more efficient when there are multiple
      // elements already available (e.g. LinkedBlockingQueue#drainTo locks only once)
      added += q.drainTo(buffer, numElements - added);

   * removeAll}{@code (occurrencesToRemove)}, which removes all occurrences of elements that appear
   * in {@code occurrencesToRemove}. However, this operation <i>is</i> equivalent to, albeit
   * sometimes more efficient than, the following:
   *
   * {@snippet :
   * for (E e : occurrencesToRemove) {
   *   multisetToModify.remove(e);
   * }
   * }
   *

   * removeAll}{@code (occurrencesToRemove)}, which removes all occurrences of elements that appear
   * in {@code occurrencesToRemove}. However, this operation <i>is</i> equivalent to, albeit
   * sometimes more efficient than, the following:
   *
   * {@snippet :
   * for (E e : occurrencesToRemove) {
   *   multisetToModify.remove(e);
   * }
   * }
   *