override val size: Int = 1

        override fun get(index: Int) = Protocol.HTTP_1_1

        override fun contains(element: Protocol?): Boolean {
          if (element == null) throw NullPointerException()
          return super.contains(element)
        }

        override fun indexOf(element: Protocol?): Int {
          if (element == null) throw NullPointerException()

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

import assertk.assertThat
import assertk.assertions.contains
import assertk.assertions.containsExactly
import assertk.assertions.isBetween
import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isNotNull
import assertk.assertions.isNull

## Reporting a Vulnerability

Square recognizes the important contributions the security research community
can make. We therefore encourage reporting security issues with the code
contained in this repository.

If you believe you have discovered a security vulnerability, please follow the
guidelines at https://bugcrowd.com/squareopensource


## Verifying Artifacts

      for (Certificate certificate : chain.connection().handshake().peerCertificates()) {
        String pin = CertificatePinner.pin(certificate);
        if (denylist.contains(pin)) {
          throw new IOException("Denylisted peer certificate: " + pin);
        }
      }
      return chain.proceed(chain.request());
    }
  };

import java.security.cert.CertificateFactory
import java.security.cert.X509Certificate
import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.toByteString

/**
 * Decodes a multiline string that contains a [certificate][certificatePem] which is
 * [PEM-encoded][rfc_7468]. A typical input string looks like this:
 *
 * ```
 * -----BEGIN CERTIFICATE-----
 * MIIBYTCCAQegAwIBAgIBKjAKBggqhkjOPQQDAjApMRQwEgYDVQQLEwtlbmdpbmVl

    )
  bundleExtension.run {
    setClasspath(osgi.compileClasspath + sourceSets["main"].compileClasspath)
    bnd(*bndProperties)
  }
  // Call the convention when the task has finished, to modify the jar to contain OSGi metadata.
  jarTask.doLast {
    bundleExtension.buildAction().execute(this)
  }
}

val Project.sourceSets: SourceSetContainer

  }

  fun launchWireShark(): Process? {
    when (launch) {
      null -> {
        if (tlsVersions.contains(TLS_1_2)) {
          println("TLSv1.2 traffic will be logged automatically and available via wireshark")
        }

        if (tlsVersions.contains(TLS_1_3)) {
          println("TLSv1.3 requires an external command run before first traffic is sent")

            .writeUtf8(ByteString.of(utf8[i]).hex().uppercase())
        }
        return percentEncoded.readUtf8()
      }
    },

    /** URLs that contain this character in this component are invalid.  */
    FORBIDDEN,

    /** Hostnames that contain this character are encoded with punycode.  */
    PUNYCODE,

    /** This code point is special and should not be tested.  */
    SKIP,

    ;

normalization {
  runtimeClasspath {
    /*
       - The below two ignored files are generated during test execution
       by the test: okhttp/src/test/java/okhttp3/osgi/OsgiTest.java

       - The compressed index.xml file contains a timestamp property which
       changes with every test execution, such that running the test
       actually changes the test classpath itself. This means that it

        assertNotEquals(sessionIds[0], sessionIds[1])
      } else {
        // With TLSv1.2 it is really JDK specific.
        // assertEquals(sessionIds[0], sessionIds[1])
        // assertThat(directSessionIds).contains(sessionIds[0], sessionIds[1])
      }
      assertThat(sessionIds[0]).isNotEmpty()
    }
  }

  private fun enableTls() {
    client =
      client.newBuilder()
        .sslSocketFactory(