.isFalse();
    // But its closeable is closed.
    assertClosed(closeable1);

    // Step 2 is cancelled because it wasn't complete.
    assertWithMessage("step2.statusFuture().isCancelled()")
        .that(step2.statusFuture().isCancelled())
        .isTrue();
    // Its closeable is closed.
    assertClosed(closeable2);

    // Step 3 was cancelled before it began

        .isFalse();
    // But its closeable is closed.
    assertClosed(closeable1);

    // Step 2 is cancelled because it wasn't complete.
    assertWithMessage("step2.statusFuture().isCancelled()")
        .that(step2.statusFuture().isCancelled())
        .isTrue();
    // Its closeable is closed.
    assertClosed(closeable2);

    // Step 3 was cancelled before it began

    assertEquals(set, Sets.subSet(set, Range.closed(0, 12)));
    assertEquals(ImmutableSortedSet.of(2, 4), Sets.subSet(set, Range.closed(0, 4)));
    assertEquals(ImmutableSortedSet.of(2, 4, 6), Sets.subSet(set, Range.closed(2, 6)));
    assertEquals(ImmutableSortedSet.of(4, 6), Sets.subSet(set, Range.closed(3, 7)));
    assertEquals(empty, Sets.subSet(set, Range.closed(20, 30)));

 *
 * ```java
 * client.connectionPool().evictAll();
 * ```
 *
 * If your client has a cache, call [close()][Cache.close]. Note that it is an error to create calls
 * against a cache that is closed, and doing so will cause the call to crash.
 *
 * ```java
 * client.cache().close();
 * ```
 *
 * OkHttp also uses daemon threads for HTTP/2 connections. These will exit automatically if they
 * remain idle.

    assertEquals(map, Maps.subMap(map, Range.closed(0, 12)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0), Maps.subMap(map, Range.closed(0, 4)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0, 6, 0), Maps.subMap(map, Range.closed(2, 6)));
    assertEquals(ImmutableSortedMap.of(4, 0, 6, 0), Maps.subMap(map, Range.closed(3, 7)));
    assertEquals(empty, Maps.subMap(map, Range.closed(20, 30)));

    assertEquals(map, Maps.subMap(map, Range.closed(0, 12)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0), Maps.subMap(map, Range.closed(0, 4)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0, 6, 0), Maps.subMap(map, Range.closed(2, 6)));
    assertEquals(ImmutableSortedMap.of(4, 0, 6, 0), Maps.subMap(map, Range.closed(3, 7)));
    assertEquals(empty, Maps.subMap(map, Range.closed(20, 30)));

         */
        try {
            this.socket.setSoTimeout(this.transportContext.getConfig().getConnTimeout());
            if ( peekKey() == null ) /* try to read header */
                throw new IOException("transport closed in negotiate");
        }
        finally {
            this.socket.setSoTimeout(this.transportContext.getConfig().getSoTimeout());
        }
        int size = Encdec.dec_uint16be(this.sbuf, 2) & 0xFFFF;

          range.lowerBoundType() == BoundType.CLOSED,
          range.upperEndpoint(),
          range.upperBoundType() == BoundType.CLOSED);
    } else if (range.hasLowerBound()) {
      return set.tailSet(range.lowerEndpoint(), range.lowerBoundType() == BoundType.CLOSED);
    } else if (range.hasUpperBound()) {
      return set.headSet(range.upperEndpoint(), range.upperBoundType() == BoundType.CLOSED);
    }
    return checkNotNull(set);

    val expected = if (windows) arrayOf("DIRTY k1") else arrayOf("DIRTY k1", "REMOVE k1")
    assertJournalEquals(*expected)
    editor.commit()
    assertJournalEquals(*expected) // 'REMOVE k1' not written because journal is closed.
  }

  @ParameterizedTest
  @ArgumentsSource(FileSystemParamProvider::class)
  fun journalDoesNotIncludeReadOfYetUnpublishedValue(parameters: Pair<FileSystem, Boolean>) {

    val out = stream.getSink().buffer()
    source.close()
    assertFailsWith<IOException> {
      source.read(Buffer(), 1)
    }.also { expected ->
      assertThat(expected.message).isEqualTo("stream closed")
    }
    assertFailsWith<IOException> {
      out.writeUtf8("a")
      out.flush()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("stream finished")
    }