public boolean addAll(Collection<? extends E> elementsToAdd) {
    throw up();
  }

  @Override
  public boolean removeAll(Collection<?> elementsToRemove) {
    throw up();
  }

  @Override
  public boolean retainAll(Collection<?> elementsToRetain) {
    throw up();
  }

  @Override
  public void clear() {
    throw up();
  }

  private static UnsupportedOperationException up() {

          throw exceptionSupplier.get();
        } else {
          throw new NoSuchElementException();
        }
      } else if (extras.isEmpty()) {
        return uncheckedCastNullableTToT(element);
      } else {
        throw multiples(false);
      }
    }
  }

  private MoreCollectors() {}

) : SSLSession {
  override fun getApplicationBufferSize(): Int = throw UnsupportedOperationException()

  override fun getCipherSuite(): String = throw UnsupportedOperationException()

  override fun getCreationTime(): Long = throw UnsupportedOperationException()

  override fun getId(): ByteArray = throw UnsupportedOperationException()

  override fun getLastAccessedTime(): Long = throw UnsupportedOperationException()

   * {@code view} returned by this method will be invalidated, and will throw {@code
   * IllegalStateException} if it is accessed in any way, with the following exceptions:
   *
   * <ul>
   *   <li>{@code view.equals(view)} evaluates to {@code true} (but any other {@code equals()}
   *       expression involving {@code view} will throw)
   *   <li>{@code hashCode()} does not throw

 *
 * <p>If the precondition is not met, the {@code Preconditions} method throws an unchecked exception
 * of a specified type, which helps the method in which the exception was thrown communicate that
 * its caller has made a mistake. This allows constructs such as
 *
 * {@snippet :
 * public static double sqrt(double value) {
 *   if (value < 0) {
 *     throw new IllegalArgumentException("input is negative: " + value);
 *   }

   * {@code view} returned by this method will be invalidated, and will throw {@code
   * IllegalStateException} if it is accessed in any way, with the following exceptions:
   *
   * <ul>
   *   <li>{@code view.equals(view)} evaluates to {@code true} (but any other {@code equals()}
   *       expression involving {@code view} will throw)
   *   <li>{@code hashCode()} does not throw

            throw new UnsupportedOperationException();
        }

        @Override
        public String getLocalName() {
            throw new UnsupportedOperationException();
        }

        @Override
        public String getLocalAddr() {
            throw new UnsupportedOperationException();
        }

        @Override
        public int getLocalPort() {

   */
  @Override
  protected void tearDown() throws Exception {
    Throwable t = threadFailure.getAndSet(null);
    if (t != null) {
      if (t instanceof Error) {
        throw (Error) t;
      } else if (t instanceof RuntimeException) {
        throw (RuntimeException) t;
      } else if (t instanceof Exception) {
        throw (Exception) t;
      } else {

   * @param len an int specifying the number of bytes to read.
   * @throws EOFException if this stream reaches the end before reading all the bytes.
   * @throws IOException if an I/O error occurs.
   */
  public static void readFully(InputStream in, byte[] b, int off, int len) throws IOException {
    int read = read(in, b, off, len);
    if (read != len) {
      throw new EOFException(

    }

    @Override
    public List<Runnable> shutdownNow() {
      throw new UnsupportedOperationException();
    }

    @Override
    public <T> Future<T> submit(Callable<T> task) {
      throw new UnsupportedOperationException();
    }

    @Override
    public Future<?> submit(Runnable task) {
      throw new UnsupportedOperationException();
    }