clientTestRule.wrap(
              object : EventListener() {
                override fun connectionAcquired(
                  call: Call,
                  connection: Connection,
                ) {
                  socketClass = connection.socket().javaClass.name
                }
              },
            ),
          ).build()

      val response = client.newCall(request).execute()

 */
fun interface Dns {
  /**
   * Returns the IP addresses of `hostname`, in the order they will be attempted by OkHttp. If a
   * connection to an address fails, OkHttp will retry the connection with the next address until
   * either a connection is made, the set of IP addresses is exhausted, or a limit is exceeded.
   */
  @Throws(UnknownHostException::class)
  fun lookup(hostname: String): List<InetAddress>

        when(mockConfig.getDfsTtl()).thenReturn(300L);

        // Mock transport to throw IOException - simulating connection failure
        when(mockTransportPool.getSmbTransport(any(CIFSContext.class), anyString(), anyInt(), anyBoolean(), anyBoolean()))
                .thenThrow(new IOException("Connection failed"));

        // Instantiate the class under test
        dfsImpl = new DfsImpl(mockContext);
    }

  ) {
    logWithTime("connectFailed: $protocol $ioe")
  }

  override fun connectionAcquired(
    call: Call,
    connection: Connection,
  ) {
    logWithTime("connectionAcquired: $connection")
  }

  override fun connectionReleased(
    call: Call,
    connection: Connection,
  ) {
    logWithTime("connectionReleased")
  }

  override fun requestHeadersStart(call: Call) {

    platform.assumeNotBouncyCastle()

    enableTls(Protocol.HTTP_1_1)
    upgrade()
  }

  @Test
  fun upgradeRefusedByServer() {
    server.enqueue(MockResponse(body = "normal request"))
    val requestWithUpgrade =
      Request
        .Builder()
        .url(server.url("/"))
        .header("Connection", "upgrade")
        .build()

    /**
     * Disconnects the transport from the remote server.
     *
     * @param hard if true, force immediate disconnection
     * @param inuse whether the connection is currently in use
     * @return whether the connection was in use
     * @throws IOException if an I/O error occurs during disconnection
     */
    boolean disconnect(boolean hard, boolean inuse) throws IOException;

    /**

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
fs.s3a.connection.maximum=8192 # Maximum number of concurrent conns

        }

    }

    /*
     * Build a connection. Only one thread will ever call this method at
     * any one time. If this method throws an exception or the connect timeout
     * expires an encapsulating TransportException will be thrown from connect
     * and the transport will be in error.
     */

    /**
     * Establish the transport connection
     *
     * @throws Exception if the connection fails

  <groupId>inheritance</groupId>
  <artifactId>empty</artifactId>
  <version>1</version>
  <modules>
    <module>child</module>
  </modules>
  <url></url>
  <scm>
    <connection> </connection>
    <developerConnection>  </developerConnection>
    <url></url>
  </scm>
  <distributionManagement>
    <site>
      <url></url>
    </site>
  </distributionManagement>

import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.withLock
import okhttp3.internal.connection.ConnectionListener
import okhttp3.internal.connection.RealCall
import okhttp3.internal.connection.RealConnection
import okhttp3.internal.connection.RealConnectionPool
import okhttp3.internal.connection.RealRoutePlanner
import okhttp3.internal.http.RealInterceptorChain
import okhttp3.internal.http.RecordingProxySelector