*
   * If the call's connection exists and is eligible for another exchange, it is returned. If it
   * exists but cannot be used for another exchange, it is closed and this returns null.
   */
  private fun planReuseCallConnection(): ReusePlan? {
    // This may be mutated by releaseConnectionNoEvents()!
    val candidate = connectionUser.candidateConnection() ?: return null

    @Test
    void testDisconnect() throws Exception {
        // Act
        ntlmConnection.disconnect();

        // Assert
        verify(mockConnection).disconnect();
        // Connection should be closed after disconnect
    }

    /**
     * Test simple getter methods that should trigger the handshake.
     * We mock a simple 200 OK response to test the handshake is called.
     * @throws IOException
     */

	}
	// Cache the Stmt object with the associated key.
	s.Set(key, cacheStmt)
	// Unlock after completing initialization to prevent deadlocks.
	locker.Unlock()

	// Ensure the prepared channel is closed after the function execution completes.
	defer close(cacheStmt.prepared)

	// Prepare the SQL statement using the provided connection.
	cacheStmt.Stmt, err = conn.PrepareContext(ctx, key)
	if err != nil {

   * CharStreams} method returns a singleton writer whose {@code close} method has no effect, while
   * the {@link Writer#nullWriter()} method returns a new instance whose methods throw after the
   * instance is {@link Writer#close() closed}.
   *
   * @since 15.0
   */
  public static Writer nullWriter() {
    return NullWriter.INSTANCE;
  }

  private static final class NullWriter extends Writer {

                for (i in 0..9) {
                  sink.writeByte(0)
                  sink.flush()
                  sleep(100)
                }
                fail("Expected connection to be closed")
              }
            },
        ),
      )
    cancelLater(call, 500)
    assertFailsWith<IOException> {
      call.execute()
    }.also { expected ->

    @Override
    protected void finalize() throws Throwable {
        try {
            if (this.usageCount != null && this.usageCount.get() != 0 && this.open) {
                log.warn("File handle was not properly closed, performing emergency cleanup: " + this);
                if (this.creationBacktrace != null) {
                    log.warn(Arrays.toString(this.creationBacktrace));
                }
                emergencyCloseHandle();

    non-ASCII characters (including international characters and emoji).

 *  **Call canceling is more reliable.**  We had a bug where a socket being
     connected wasn't being closed when the application used `Call.cancel()`.

 *  **Changing a HttpUrl’s scheme now tracks the default port.** We had a bug
    where changing a URL from `http` to `https` would leave it on port 80.

   * This means that if you are doing synchronous calls the network layer will not truly be idle
   * until every returned [Response] has been closed.
   */
  @get:Synchronized
  @set:Synchronized
  var idleCallback: Runnable? = null

  private var executorServiceOrNull: ExecutorService? = null

  @get:JvmName("executorService")
  @get:Synchronized

          throw InterruptedIOException()
        }
      }
    }

  companion object {
    /** A large response body. Smaller bodies might successfully read after the socket is closed!  */
    private val BIG_ENOUGH_BODY = repeat('a', 64 * 1024)
  }

    SerializableTester.reserializeAndAssert(emptyRangeMap);

    ImmutableRangeMap<Integer, Integer> nonEmptyRangeMap =
        new ImmutableRangeMap.Builder<Integer, Integer>()
            .put(Range.closed(2, 4), 5)
            .put(Range.open(6, 7), 3)
            .put(Range.closedOpen(8, 10), 4)
            .put(Range.openClosed(15, 17), 2)
            .build();