if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

          for (Certificate certificate : response.handshake().peerCertificates()) {
            System.out.println(CertificatePinner.pin(certificate));
          }
        }
      }
    ```

### Customizing Trusted Certificates ([.kt][CustomTrustKotlin], [.java][CustomTrustJava])

    try {
      return newSSLContext().apply {
        init(null, arrayOf<TrustManager>(trustManager), null)
      }.socketFactory
    } catch (e: GeneralSecurityException) {
      throw AssertionError("No System TLS: $e", e) // The system has no TLS. Just give up.
    }
  }

  override fun toString(): String = javaClass.simpleName

  companion object {
    @Volatile private var platform = findPlatform()

message PolicyRulesWithSubjects {
  // subjects is the list of normal user, serviceaccount, or group that this rule cares about.
  // There must be at least one member in this slice.
  // A slice that includes both the system:authenticated and system:unauthenticated user groups matches every request.
  // +listType=atomic
  // Required.
  repeated Subject subjects = 1;

message PolicyRulesWithSubjects {
  // subjects is the list of normal user, serviceaccount, or group that this rule cares about.
  // There must be at least one member in this slice.
  // A slice that includes both the system:authenticated and system:unauthenticated user groups matches every request.
  // +listType=atomic
  // Required.
  repeated Subject subjects = 1;

        <url>https://github.com/junit-team/junit4</url>
      <tag>r4.13.1</tag>
  </scm>
    <issueManagement>
        <system>github</system>
        <url>https://github.com/junit-team/junit4/issues</url>
    </issueManagement>
    <ciManagement>
        <system>travis</system>
        <url>https://travis-ci.org/junit-team/junit4</url>
    </ciManagement>
    <distributionManagement>

          }
        }
      }

      val startNs = System.nanoTime()
      val response: Response
      try {
        response = chain.proceed(request)
      } catch (e: Exception) {
        logger.log("<-- HTTP FAILED: $e")
        throw e
      }

      val tookMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs)

      val responseBody = response.body!!

* Selbst Abhängigkeiten können Abhängigkeiten haben, woraus eine Hierarchie oder ein **„Graph“ von Abhängigkeiten** entsteht.
* Alles **automatisch gehandhabt** durch das Framework.

  // This field enables Kubernetes to communicate with storage systems that do
  // not share the same nomenclature for nodes. For example, Kubernetes may
  // refer to a given node as "node1", but the storage system may refer to
  // the same node as "nodeA". When Kubernetes issues a command to the storage
  // system to attach a volume to a specific node, it can use this field to

  private val cleanupQueue: TaskQueue = taskRunner.newQueue()
  private val cleanupTask =
    object : Task("$okHttpName ConnectionPool connection closer") {
      override fun runOnce(): Long = closeConnections(System.nanoTime())
    }

  private fun AddressState.scheduleOpener() {
    queue.schedule(
      object : Task("$okHttpName ConnectionPool connection opener") {

import org.junit.jupiter.api.extension.RegisterExtension

class HeldCertificateTest {
  @RegisterExtension
  var platform = PlatformRule()

  @Test
  fun defaultCertificate() {
    val now = System.currentTimeMillis()
    val heldCertificate = HeldCertificate.Builder().build()
    val certificate = heldCertificate.certificate
    assertThat(certificate.getSubjectX500Principal().name, "self-signed")