if (openJSSE != null) {
          return openJSSE
        }
      }

      // An Oracle JDK 9 like OpenJDK, or JDK 8 251+.
      val jdk9 = Jdk9Platform.buildIfSupported()

      if (jdk9 != null) {
        return jdk9
      }

      // An Oracle JDK 8 like OpenJDK, pre 251.
      val jdkWithJettyBoot = Jdk8WithJettyBootPlatform.buildIfSupported()

import java.lang.reflect.Method
import java.security.Security
import okhttp3.TestUtil
import okhttp3.internal.platform.ConscryptPlatform
import okhttp3.internal.platform.Jdk8WithJettyBootPlatform
import okhttp3.internal.platform.Jdk9Platform
import okhttp3.internal.platform.OpenJSSEPlatform
import okhttp3.internal.platform.Platform
import okhttp3.tls.HandshakeCertificates
import okhttp3.tls.HeldCertificate
import okhttp3.tls.internal.TlsUtil.localhost