val context: Any? =
      readFieldOrNull(
        sslSocketFactory,
        paramClass,
        "sslParameters",
      )
    val x509TrustManager =
      readFieldOrNull(
        context!!,
        X509TrustManager::class.java,
        "x509TrustManager",
      )
    return x509TrustManager ?: readFieldOrNull(
      context,
      X509TrustManager::class.java,

      // Oracle JDK. Note that we don't support HTTP/2 or other nice features on Robolectric.
      val sslContextClass = Class.forName("sun.security.ssl.SSLContextImpl")
      val context = readFieldOrNull(sslSocketFactory, sslContextClass, "context") ?: return null
      readFieldOrNull(context, X509TrustManager::class.java, "trustManager")
    } catch (e: ClassNotFoundException) {
      null
    } catch (e: RuntimeException) {