return new Builder<>();
  }

  /**
   * Returns a new builder with a hint for how many distinct keys are expected to be added. The
   * generated builder is equivalent to that returned by {@link #builder}, but may perform better if
   * {@code expectedKeys} is a good estimate.
   *
   * @throws IllegalArgumentException if {@code expectedKeys} is negative
   * @since 33.3.0
   */

to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form. 3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive,...

   * Serve requests with HTTPS rather than otherwise.
   */
  public fun useHttps(sslSocketFactory: SSLSocketFactory) {
    this.sslSocketFactory = sslSocketFactory
  }

  /**
   * Configure the server to not perform SSL authentication of the client. This leaves
   * authentication to another layer such as in an HTTP cookie or header. This is the default and
   * most common configuration.
   */
  public fun noClientAuth() {

    between user agents and the origin server.

 *  **TLS configuration updated.** OkHttp now explicitly enables TLSv1.2,
    TLSv1.1 and TLSv1.0 where they are supported. It will continue to perform
    only one fallback, to SSLv3. Applications can now configure this with the
    `ConnectionSpec` class.

    To disable TLS fallback:

    ```java
    client.setConnectionSpecs(Arrays.asList(

     * only under concurrent modification).
     *
     * To access these fields when you know that they are not null, call the pred() and succ()
     * methods, which perform null checks before returning the fields.
     */
    private @Nullable AvlNode<E> pred;
    private @Nullable AvlNode<E> succ;

    AvlNode(@ParametricNullness E elem, int elemCount) {

   *
   * <p>If {@code expectedSize} is exactly the number of distinct elements added to the builder
   * before {@link Builder#build} is called, the builder is likely to perform better than an unsized
   * {@link #builder()} would have.
   *
   * <p>It is not specified if any performance benefits apply if {@code expectedSize} is close to,

   *
   * <p>If {@code expectedSize} is exactly the number of entries added to the builder before {@link
   * Builder#build} is called, the builder is likely to perform better than an unsized {@link
   * #builder()} would have.
   *
   * <p>It is not specified if any performance benefits apply if {@code expectedSize} is close to,

   * @since 12.0
   */
  @Override
  public ImmutableSortedSet<E> tailSet(E fromElement, boolean inclusive) {
    return tailSetImpl(checkNotNull(fromElement), inclusive);
  }

  /*
   * These methods perform most headSet, subSet, and tailSet logic, besides
   * parameter validation.
   */
  abstract ImmutableSortedSet<E> headSetImpl(E toElement, boolean inclusive);

  abstract ImmutableSortedSet<E> subSetImpl(

   * to be a view, but it means that the function will be applied many times for bulk operations
   * like {@link List#contains} and {@link List#hashCode}. For this to perform well, {@code
   * function} should be fast. To avoid lazy evaluation when the returned list doesn't need to be a
   * view, copy the returned list into a new list of your choosing.
   *

   *
   * <p>If {@code expectedSize} is exactly the number of entries added to the builder before {@link
   * Builder#build} is called, the builder is likely to perform better than an unsized {@link
   * #builder()} would have.
   *
   * <p>It is not specified if any performance benefits apply if {@code expectedSize} is close to,