.url(server.url("/"))
    .build());
Response response = call.execute();
System.out.println(response.handshake().peerPrincipal());
RecordedRequest recordedRequest = server.takeRequest();
System.out.println(recordedRequest.getHandshake().peerPrincipal());
```

This handshake is successful because each party has prearranged to trust the root certificate that
signs the other party's chain.

    val cipherSuite = response1.handshake!!.cipherSuite
    val localCerts = response1.handshake!!.localCertificates
    val serverCerts = response1.handshake!!.peerCertificates
    val peerPrincipal = response1.handshake!!.peerPrincipal
    val localPrincipal = response1.handshake!!.localPrincipal
    val response2 = client.newCall(request).execute() // Cached!
    assertThat(response2.body.string()).isEqualTo("ABC")

      )
    val tlsVersion: TlsVersion = handshake.tlsVersion
    val cipherSuite: CipherSuite = handshake.cipherSuite
    val peerCertificates: List<Certificate> = handshake.peerCertificates
    val peerPrincipal: Principal? = handshake.peerPrincipal
    val localCertificates: List<Certificate> = handshake.localCertificates
    val localPrincipal: Principal? = handshake.localPrincipal
  }

  @Test
  fun headers() {

	public fun hashCode ()I
	public final fun localCertificates ()Ljava/util/List;
	public final fun localPrincipal ()Ljava/security/Principal;
	public final fun peerCertificates ()Ljava/util/List;
	public final fun peerPrincipal ()Ljava/security/Principal;
	public final fun tlsVersion ()Lokhttp3/TlsVersion;
	public fun toString ()Ljava/lang/String;
}

public final class okhttp3/Handshake$Companion {

	public fun hashCode ()I
	public final fun localCertificates ()Ljava/util/List;
	public final fun localPrincipal ()Ljava/security/Principal;
	public final fun peerCertificates ()Ljava/util/List;
	public final fun peerPrincipal ()Ljava/security/Principal;
	public final fun tlsVersion ()Lokhttp3/TlsVersion;
	public fun toString ()Ljava/lang/String;
}

public final class okhttp3/Handshake$Companion {