}
}
```

### 4.2 Directory Cache Entry
```java
package jcifs.internal.smb2.lease;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

public class DirectoryCacheEntry {
    private final String directoryPath;
    private final Smb2LeaseKey leaseKey;
    private final long createTime;

			objectName := "dummy-object"
			functionID := "lambda1"
			functionToken := "token123"

			// Lambda mock server
			lambdaServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				w.Header().Set(xhttp.AmzRequestRoute, functionID)
				w.Header().Set(xhttp.AmzRequestToken, functionToken)

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantReadWriteLock;

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

import jcifs.CIFSContext;
import jcifs.internal.smb2.lease.Smb2LeaseKey;

/**

import okhttp3.WebSocketListener
import okhttp3.internal.addHeaderLenient
import okhttp3.internal.http2.ErrorCode
import okhttp3.internal.http2.Settings
import okio.Buffer

/** A scripted response to be replayed by the mock web server. */
public class MockResponse {
  /** Returns the HTTP response line, such as "HTTP/1.1 200 OK". */
  public val status: String

  public val code: Int
    get() {

      when (code) {
        in 100..199 -> "Informational"
        in 200..299 -> "OK"
        in 300..399 -> "Redirection"
        in 400..499 -> "Client Error"
        in 500..599 -> "Server Error"
        else -> "Mock Response"
      }
    return apply { status = "HTTP/1.1 $code $reason" }
  }

  fun clearHeaders() =
    apply {
      headersBuilder = Headers.Builder()
    }

  fun addHeader(header: String) =

    }
}
```

### 4.3 Lease Manager
```java
package jcifs.internal.smb2.lease;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import jcifs.CIFSContext;

public class LeaseManager {
    private final ConcurrentHashMap<Smb2LeaseKey, LeaseEntry> leases;

    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);
      if (added < numElements) { // not enough elements immediately available; will have to poll
        E e = q.poll(deadline - System.nanoTime(), NANOSECONDS);

import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import jcifs.Configuration;
import jcifs.config.BaseConfiguration;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.FileEntry;

/**
 * Test class for NetShareEnumResponse
 */
class NetShareEnumResponseTest {

    @Mock
    private Configuration mockConfig;

import importlib
from types import ModuleType
from unittest.mock import patch

import pytest
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(
    name="mod",
    params=[
        pytest.param("tutorial004_py39"),
        pytest.param("tutorial004_py310", marks=needs_py310),
        pytest.param("tutorial004_an_py39"),
        pytest.param("tutorial004_an_py310", marks=needs_py310),

import importlib
from unittest.mock import patch

import pytest
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(
    name="client",
    params=[
        "tutorial001_py39",
        pytest.param("tutorial001_py310", marks=needs_py310),
    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.body.{request.param}")