* See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.recipes;

import java.util.concurrent.TimeUnit;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class ConfigureTimeouts {
  private final OkHttpClient client;

import java.net.SocketTimeoutException
import java.util.ArrayDeque
import okhttp3.Headers
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.assertLockNotHeld
import okhttp3.internal.concurrent.notifyAll
import okhttp3.internal.concurrent.wait
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.http2.flowcontrol.WindowCounter
import okhttp3.internal.toHeaderList
import okio.AsyncTimeout

        // Test thread safety of utility methods
        final int threadCount = 10;
        final java.util.concurrent.CountDownLatch latch = new java.util.concurrent.CountDownLatch(threadCount);
        final java.util.concurrent.atomic.AtomicInteger errorCount = new java.util.concurrent.atomic.AtomicInteger(0);

        for (int i = 0; i < threadCount; i++) {
            final int threadId = i;

import static com.google.common.cache.CacheBuilderSpec.parse;
import static com.google.common.cache.TestingWeighers.constantWeigher;
import static java.util.concurrent.TimeUnit.DAYS;
import static java.util.concurrent.TimeUnit.HOURS;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.base.Suppliers;

import java.io.IOException
import java.net.HttpURLConnection
import java.net.ProtocolException
import java.util.concurrent.BlockingQueue
import java.util.concurrent.CountDownLatch
import java.util.concurrent.Executors
import java.util.concurrent.LinkedBlockingQueue
import java.util.concurrent.TimeUnit
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer

    private final java.util.concurrent.ScheduledExecutorService rotationScheduler =
            java.util.concurrent.Executors.newSingleThreadScheduledExecutor(r -> {
                Thread t = new Thread(r, "SecureKeyManager-Rotation");
                t.setDaemon(true);
                return t;
            });
    private java.util.concurrent.ScheduledFuture<?> rotationTask;

    /**

}
```

## 4. Data Structures

### 4.1 RDMA Connection
```java
package jcifs.internal.smb2.rdma;

import java.nio.ByteBuffer;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.atomic.AtomicInteger;

public abstract class RdmaConnection implements AutoCloseable {
    protected final InetSocketAddress remoteAddress;

 * limitations under the License.
 */
package okhttp.android.test

import android.net.DnsResolver
import android.net.Network
import android.os.CancellationSignal
import java.net.InetAddress
import java.util.concurrent.Executor
import org.robolectric.annotation.Implementation
import org.robolectric.annotation.Implements
import org.robolectric.shadow.api.Shadow

@Implements(DnsResolver::class)
class ShadowDnsResolver {

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.base.StandardSystemProperty.JAVA_SPECIFICATION_VERSION;
import static com.google.common.truth.Truth.assertThat;

import junit.framework.TestCase;

 * one or more streams, and then released. An allocated connection won't be stolen by other calls
 * while a redirect or authorization challenge is being handled.
 *
 * When the maximum concurrent streams limit is reduced, some allocations will be rescinded.
 * Attempting to create new streams on these allocations will fail.
 *