import java.nio.charset.UnsupportedCharsetException;
import java.util.ConcurrentModificationException;
import java.util.NoSuchElementException;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import junit.framework.AssertionFailedError;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

 * limitations under the License.
 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isTrue
import java.util.concurrent.ExecutorService
import java.util.concurrent.Executors
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.testing.PlatformRule
import org.junit.jupiter.api.BeforeEach

 */
package okhttp3

import java.io.Closeable
import java.util.concurrent.CopyOnWriteArraySet
import java.util.logging.ConsoleHandler
import java.util.logging.Handler
import java.util.logging.Level
import java.util.logging.LogRecord
import java.util.logging.Logger
import java.util.logging.SimpleFormatter
import kotlin.reflect.KClass
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.http2.Http2

import android.annotation.SuppressLint
import java.util.concurrent.ThreadFactory
import java.util.concurrent.TimeUnit
import java.util.logging.Handler
import java.util.logging.Level
import java.util.logging.LogManager
import java.util.logging.LogRecord
import java.util.logging.Logger
import okhttp3.internal.buildConnectionPool
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.withLock

- **Logging Abstraction** (`org.codelibs.core.log`) - Flexible logging system supporting JCL (Jakarta Commons Logging) and JUL (Java Util Logging)
- **Concurrent Utilities** (`org.codelibs.core.concurrent`) - Thread-safe collections and concurrency helpers using modern concurrent APIs
- **Crypto & Security** (`org.codelibs.core.crypto`, `org.codelibs.core.security`) - Basic cryptographic utilities, message digest operations, and secure random generation

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

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

import jcifs.CIFSContext;
import jcifs.Configuration;

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

import java.util.concurrent.LinkedBlockingQueue
import java.util.concurrent.TimeUnit
import java.util.logging.Handler
import java.util.logging.Level
import java.util.logging.LogRecord
import java.util.logging.Logger
import org.junit.jupiter.api.extension.AfterEachCallback

import com.google.common.util.concurrent.MoreExecutors;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.Delayed;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy;
import java.util.concurrent.TimeUnit;

/**

import com.google.common.util.concurrent.ListenableFuture;
import java.util.concurrent.CancellationException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.Nullable;

 */

package com.google.common.util.concurrent;

import static com.google.common.base.Verify.verify;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.Futures.immediateFailedFuture;
import static com.google.common.util.concurrent.Futures.immediateFuture;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;