try {
          peerCertificates.toImmutableList()
        } catch (_: SSLPeerUnverifiedException) {
          listOf()
        }

      return Handshake(
        tlsVersion,
        cipherSuite,
        localCertificates.toImmutableList(),
      ) { peerCertificatesCopy }
    }

    private fun Array<out Certificate>?.toImmutableList(): List<Certificate> {
      return if (this != null) {

  encodedNames: List<String>,
  encodedValues: List<String>,
) : RequestBody() {
  private val encodedNames: List<String> = encodedNames.toImmutableList()
  private val encodedValues: List<String> = encodedValues.toImmutableList()

  /** The number of key-value pairs in this form-encoded body. */
  @get:JvmName("size")
  val size: Int
    get() = encodedNames.size

  @JvmName("-deprecated_size")
  @Deprecated(

import java.util.NoSuchElementException
import okhttp3.Address
import okhttp3.HttpUrl
import okhttp3.Route
import okhttp3.internal.canParseAsIpAddress
import okhttp3.internal.immutableListOf
import okhttp3.internal.toImmutableList

/**
 * Selects routes to connect to an origin server. Each connection requires a choice of proxy server,
 * IP address, and TLS mode. Connections may also be recycled.
 */
class RouteSelector(

   * contains minimally [Protocol.HTTP_1_1].
   */
  @get:JvmName("protocols")
  val protocols: List<Protocol> = protocols.toImmutableList()

  @get:JvmName("connectionSpecs")
  val connectionSpecs: List<ConnectionSpec> =
    connectionSpecs.toImmutableList()

  @JvmName("-deprecated_url")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "url"),

import javax.net.ssl.TrustManager
import javax.net.ssl.X509KeyManager
import javax.net.ssl.X509TrustManager
import okhttp3.CertificatePinner
import okhttp3.internal.platform.Platform
import okhttp3.internal.toImmutableList
import okhttp3.tls.internal.TlsUtil.newKeyManager
import okhttp3.tls.internal.TlsUtil.newTrustManager

/**
 * Certificates to identify which peers to trust and also to earn the trust of those peers in kind.

   *
   * <p><b>{@code Stream} equivalent:</b> {@code ImmutableList.copyOf(stream.iterator())}, or pass
   * {@link ImmutableList#toImmutableList} to {@code stream.collect()}.
   *
   * @throws NullPointerException if any element is {@code null}
   * @since 14.0 (since 12.0 as {@code toImmutableList()}).
   */
  @SuppressWarnings("nullness") // Unsafe, but we can't do much about it now.
  public final ImmutableList<@NonNull E> toList() {

 * limitations under the License.
 */
package okhttp3

import java.io.IOException
import java.util.UUID
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.internal.toImmutableList
import okio.Buffer
import okio.BufferedSink
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8

/**
 * An [RFC 2387][rfc_2387]-compliant request body.
 *

public abstract class ImmutableList<E> extends ImmutableCollection<E>
    implements List<E>, RandomAccess {

  ImmutableList() {}

  public static <E> Collector<E, ?, ImmutableList<E>> toImmutableList() {
    return CollectCollectors.toImmutableList();
  }

  // Casting to any type is safe because the list will never hold any elements.
  @SuppressWarnings("unchecked")
  public static <E> ImmutableList<E> of() {

  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  @Beta // TODO: b/288085449 - Remove.
  public static <E> Collector<E, ?, ImmutableList<E>> toImmutableList() {
    return CollectCollectors.toImmutableList();
  }

  /**
   * Returns the empty immutable list. This list behaves and performs comparably to {@link

   * ImmutableList}, in encounter order.
   *
   * @since 21.0
   */
  public static <E> Collector<E, ?, ImmutableList<E>> toImmutableList() {
    return CollectCollectors.toImmutableList();
  }

  /**
   * Returns the empty immutable list. This list behaves and performs comparably to {@link