RuntimeException exception3 = new ArithmeticException("exception from stream 3");
    Stream<String> stream1 = Stream.of("foo", "bar").onClose(doThrow(exception1));
    Stream<String> stream2 = Stream.of("baz", "buh").onClose(doThrow(exception2));
    Stream<String> stream3 = Stream.of("quux").onClose(doThrow(exception3));
    RuntimeException exception = null;
    try (Stream<String> concatenated = Streams.concat(stream1, stream2, stream3)) {

    // overlap below
    assertEquals(Range.closed(4, 6), range.intersection(Range.closed(2, 6)));

    // enclosed with same start
    assertEquals(Range.closed(4, 6), range.intersection(Range.closed(4, 6)));

    // enclosed, interior
    assertEquals(Range.closed(5, 7), range.intersection(Range.closed(5, 7)));

    // enclosed with same end
    assertEquals(Range.closed(6, 8), range.intersection(Range.closed(6, 8)));

    // equal

   * for {@code asMapOfRanges().iterator().remove()}.
   *
   * <p>The returned range map will throw an {@link IllegalArgumentException} on an attempt to
   * insert a range not {@linkplain Range#encloses(Range) enclosed} by {@code range}.
   */
  // TODO(cpovirk): Consider documenting that IAE on the various methods that can throw it.
  RangeMap<K, V> subRangeMap(Range<K> range);

  /**

    // overlap below
    assertEquals(Range.closed(4, 6), range.intersection(Range.closed(2, 6)));

    // enclosed with same start
    assertEquals(Range.closed(4, 6), range.intersection(Range.closed(4, 6)));

    // enclosed, interior
    assertEquals(Range.closed(5, 7), range.intersection(Range.closed(5, 7)));

    // enclosed with same end
    assertEquals(Range.closed(6, 8), range.intersection(Range.closed(6, 8)));

    // equal

   * value}, or {@code null} if this range set does not contain {@code value}.
   */
  @CheckForNull
  Range<C> rangeContaining(C value);

  /**
   * Returns {@code true} if there exists a non-empty range enclosed by both a member range in this
   * range set and the specified range. This is equivalent to calling {@code
   * subRangeSet(otherRange)} and testing whether the resulting range set is non-empty.
   *
   * @since 20.0
   */

    System.out.println("onMessage: " + text);
  }

  @Override public void onClosing(WebSocket webSocket, int code, String reason) {
    webSocket.close(1000, null);
    System.out.println("onClose (" + code + "): " + reason);
  }

  @Override public void onFailure(WebSocket webSocket, Throwable t, Response response) {
    // TODO(jwilson): can I read the response body? Do I have to?

      if (declaringClass.getEnclosingConstructor() != null) {
        // Enclosed in a constructor, needs hidden this
        return true;
      }
      Method enclosingMethod = declaringClass.getEnclosingMethod();
      if (enclosingMethod != null) {
        // Enclosed in a method, if it's not static, must need hidden this.
        return !Modifier.isStatic(enclosingMethod.getModifiers());

        && upperBound.compareTo(other.upperBound) >= 0;
  }

  /**
   * Returns {@code true} if there exists a (possibly empty) range which is {@linkplain #encloses
   * enclosed} by both this range and {@code other}.
   *
   * <p>For example,
   *
   * <ul>
   *   <li>{@code [2, 4)} and {@code [5, 7)} are not connected

      if (rangeBelowUB.upperBound.compareTo(ubToAdd) >= 0) {
        // { > }, and we need to coalesce
        ubToAdd = rangeBelowUB.upperBound;
      }
    }

    // Remove ranges which are strictly enclosed.
    rangesByLowerBound.subMap(lbToAdd, ubToAdd).clear();

    replaceRangeWithSameLowerBound(Range.create(lbToAdd, ubToAdd));
  }

  @Override
  public void remove(Range<C> rangeToRemove) {