import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSocketFactory;

import org.bouncycastle.util.encoders.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;

 *   <li>reportActiveExternalHost: The external IP address to report in active mode.</li>
 *   <li>useEPSVwithIPv4: Whether to use EPSV with IPv4.</li>
 *   <li>isImplicit: Whether to use implicit SSL/TLS encryption.</li>
 *   <li>trustManager: The trust manager to use for SSL/TLS connections ("all", "valid", or "none").</li>
 *   <li>enterLocalPassiveMode: Whether to enter local passive mode.</li>

 * limitations under the License.
 */
package okhttp3.mockwebserver

import java.io.IOException
import java.net.Inet6Address
import java.net.Socket
import javax.net.ssl.SSLSocket
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okhttp3.TlsVersion
import okio.Buffer

@file:JvmName("Internal")
@file:Suppress("ktlint:standard:filename")

package okhttp3.internal

import java.nio.charset.Charset
import javax.net.ssl.SSLSocket
import okhttp3.Cache
import okhttp3.CipherSuite
import okhttp3.ConnectionPool
import okhttp3.ConnectionSpec
import okhttp3.Cookie
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.MediaType

import java.net.InetAddress
import java.net.Proxy
import java.util.concurrent.TimeUnit
import java.util.logging.Level
import java.util.logging.Logger
import javax.net.ServerSocketFactory
import javax.net.ssl.SSLSocketFactory
import okhttp3.HttpUrl
import okhttp3.Protocol
import org.junit.rules.ExternalResource

class MockWebServer :
  ExternalResource(),
  Closeable {
  val delegate = mockwebserver3.MockWebServer()

import okhttp3.OkHttpClient;
import okhttp3.Protocol;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.tls.HandshakeCertificates;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.net.ssl.SSLHandshakeException;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

/**
 * Let's Encrypt expiring root test.
 *

```

#### Memory Issues
```java
// Reduce concurrent threads and batch sizes
crawler.crawlerContext.setNumOfThread(5);
crawler.crawlerContext.setMaxAccessCount(1000);
```

#### SSL/TLS Issues
```java
// Configure SSL settings
container.singleton("httpClient", HcHttpClient.class, client -> {
    client.setTrustAllCertificates(true);  // For testing only
});
```

### Debug Logging

package okhttp3.internal.tls

import java.security.GeneralSecurityException
import java.security.cert.Certificate
import java.security.cert.X509Certificate
import java.util.ArrayDeque
import java.util.Deque
import javax.net.ssl.SSLPeerUnverifiedException

/**
 * A certificate chain cleaner that uses a set of trusted root certificates to build the trusted
 * chain. This class duplicates the clean chain building performed during the TLS handshake. We

fs.s3a.committer.staging.conflict-mode=append
fs.s3a.committer.staging.tmp.path=/tmp/staging
fs.s3a.committer.staging.unique-filenames=true
fs.s3a.connection.establish.timeout=5000
fs.s3a.connection.ssl.enabled=false
fs.s3a.connection.timeout=200000
fs.s3a.endpoint=http://minio:9000
fs.s3a.impl=org.apache.hadoop.fs.s3a.S3AFileSystem

fs.s3a.committer.threads=2048 # Number of threads writing to MinIO

import java.util.zip.GZIPInputStream
import javax.net.SocketFactory
import javax.net.ssl.SSLException
import javax.net.ssl.SSLHandshakeException
import javax.net.ssl.SSLProtocolException
import javax.net.ssl.TrustManager
import javax.net.ssl.TrustManagerFactory
import javax.net.ssl.X509TrustManager
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer