if (o == this) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(o);
      }
    }

    @Override
    public int hashCode() {
      synchronized (mutex) {
        return delegate().hashCode();
      }
    }

    private static final long serialVersionUID = 0;
  }

  private static <E extends @Nullable Object> SortedSet<E> sortedSet(

      if (o == this) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(o);
      }
    }

    @Override
    public int hashCode() {
      synchronized (mutex) {
        return delegate().hashCode();
      }
    }

    private static final long serialVersionUID = 0;
  }

  private static <E extends @Nullable Object> SortedSet<E> sortedSet(

      result.add(new HashSet<E>(subset));
    }
    return result;
  }

  private static Object objectWithHashCode(final int hashCode) {
    return new Object() {
      @Override
      public int hashCode() {
        return hashCode;
      }
    };
  }

  // TODO b/327389044 - `Set<? extends Object> elements` should be enough but J2KT needs the <E>

      }
    };
  }

  /** An implementation for {@link Set#hashCode()}. */
  static int hashCodeImpl(Set<?> s) {
    int hashCode = 0;
    for (Object o : s) {
      hashCode += o != null ? o.hashCode() : 0;

      hashCode = ~~hashCode;
      // Needed to deal with unusual integer overflow in GWT.
    }
    return hashCode;
  }

  /** An implementation for {@link Set#equals(Object)}. */

	public final fun certificatePinner ()Lokhttp3/CertificatePinner;
	public final fun connectionSpecs ()Ljava/util/List;
	public final fun dns ()Lokhttp3/Dns;
	public fun equals (Ljava/lang/Object;)Z
	public fun hashCode ()I
	public final fun hostnameVerifier ()Ljavax/net/ssl/HostnameVerifier;
	public final fun protocols ()Ljava/util/List;
	public final fun proxy ()Ljava/net/Proxy;
	public final fun proxyAuthenticator ()Lokhttp3/Authenticator;

      }
    };
  }

  /** An implementation for {@link Set#hashCode()}. */
  static int hashCodeImpl(Set<?> s) {
    int hashCode = 0;
    for (Object o : s) {
      hashCode += o != null ? o.hashCode() : 0;

      hashCode = ~~hashCode;
      // Needed to deal with unusual integer overflow in GWT.
    }
    return hashCode;
  }

  /** An implementation for {@link Set#equals(Object)}. */

      return map.entrySet().iterator();
    }

    @Override
    Map<K, Collection<V>> createAsMap() {
      return new AsMap<>(this);
    }

    @Override
    public int hashCode() {
      return map.hashCode();
    }

    private static final long serialVersionUID = 7845222491160860175L;
  }

  /**
   * Returns a view of a multimap where each value is transformed by a function. All other

      return map.entrySet().iterator();
    }

    @Override
    Map<K, Collection<V>> createAsMap() {
      return new AsMap<>(this);
    }

    @Override
    public int hashCode() {
      return map.hashCode();
    }

    private static final long serialVersionUID = 7845222491160860175L;
  }

  /**
   * Returns a view of a multimap where each value is transformed by a function. All other

    /**
     * Computes a hashCode for this file based on the URL string and IP
     * address if the server. The hashing function uses the hashcode of the
     * server address, the canonical representation of the URL, and does not
     * compare authentication information. In essence, two
     * <code>SmbFile</code> objects that refer to
     * the same file should generate the same hashcode provided it is possible

            return Objects.equal(taskName, that.taskName) && Objects.equal(taskType, that.taskType);
        }

        @Override
        public int hashCode() {
            return Objects.hashCode(taskName, taskType);
        }
    }

    private static class TaskTypeSelector implements ConfigSelector {

        final String taskType;