val key = key(request.url)
    val snapshot: DiskLruCache.Snapshot =
      try {
        cache[key] ?: return null
      } catch (_: IOException) {
        return null // Give up because the cache cannot be read.
      }

    val entry: Entry =
      try {
        Entry(snapshot.getSource(ENTRY_METADATA))
      } catch (_: IOException) {
        snapshot.closeQuietly()
        return null
      }

    @JvmField val TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 = init("SSL_DH_anon_EXPORT_WITH_RC4_40_MD5", 0x0017)

    @JvmField val TLS_DH_anon_WITH_RC4_128_MD5 = init("SSL_DH_anon_WITH_RC4_128_MD5", 0x0018)

    @JvmField val TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA = init("SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA", 0x0019)

    @JvmField val TLS_DH_anon_WITH_DES_CBC_SHA = init("SSL_DH_anon_WITH_DES_CBC_SHA", 0x001a)

   * either the field is absent or cannot be parsed as a date.
   */
  fun getDate(name: String): Date? = get(name)?.toHttpDateOrNull()

  /**
   * Returns the last value corresponding to the specified field parsed as an HTTP date, or null if
   * either the field is absent or cannot be parsed as a date.
   */

/**
 * Handles basic types that always use the same tag. This supports optional types and may set a type
 * hint for further adapters to process.
 *
 * Types like ANY and CHOICE that don't have a consistent tag cannot use this.
 */
internal data class BasicDerAdapter<T>(
  private val name: String,
  /** The tag class this adapter expects, or -1 to match any tag class. */
  val tagClass: Int,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
@file:Suppress(
  "CANNOT_OVERRIDE_INVISIBLE_MEMBER",
  "INVISIBLE_MEMBER",
  "INVISIBLE_REFERENCE",
)

package okhttp3

import java.io.Closeable
import java.net.InetSocketAddress
import java.net.Proxy
import java.net.ProxySelector

      fail<Any>()
    } catch (expected: IllegalArgumentException) {
      assertThat(expected.message).isEqualTo(
        "protocols containing h2_prior_knowledge cannot use other protocols: " +
          "[h2_prior_knowledge, http/1.1]",
      )
    }
  }

  @Test
  fun testH2PriorKnowledgeServerDuplicates() {
    try {
      // Treating this use case as user error

     * intermediate signing certificates beneath it.
     *
     * By default this certificate cannot not sign other certificates. Set this to 0 so this
     * certificate can sign other certificates (but those certificates cannot themselves sign
     * certificates). Set this to 1 so this certificate can sign intermediate certificates that can

    //    For example, *.example.com is permitted, while *a.example.com, a*.example.com,
    //    a*b.example.com, a.*.example.com are not permitted.
    // 2. Asterisk (*) cannot match across domain name labels.
    //    For example, *.example.com matches test.example.com but does not match
    //    sub.test.example.com.
    // 3. Wildcard patterns for single-label domain names are not permitted.

      contentLength != -1L -> newKnownLengthSink() // Stream a request body of a known length.
      else -> // Stream a request body of a known length.
        throw IllegalStateException(
          "Cannot stream a request body without chunked encoding or a known content length!",
        )
    }
  }

  override fun cancel() {
    carrier.cancel()
  }

  /**

    platform.assumeNotConscrypt()
    platform.assumeNotBouncyCastle()

    // The _anon_ suites became unsupported in "1.8.0_201" and "11.0.2".
    assumeFalse(
      System.getProperty("java.version", "unknown").matches(Regex("1\\.8\\.0_1\\d\\d")),
    )
    server.enqueue(MockResponse())
    val cipherSuite = CipherSuite.TLS_DH_anon_WITH_AES_128_GCM_SHA256
    val clientCertificates =
      HandshakeCertificates.Builder()