* Features:
 * - Simple state management (CLOSED, OPEN, HALF_OPEN)
 * - Lock-free atomic operations
 * - Configurable thresholds and timeouts
 * - No complex dependencies
 */
public class SimpleCircuitBreaker {

    private static final Logger log = LoggerFactory.getLogger(SimpleCircuitBreaker.class);

    /**
     * Circuit breaker states
     */
    public enum State {
        CLOSED, // Normal operation

    }

    /**
     * Closes the Zip file.
     * <p>
     * If {@link ZipFile#close()} throws an exception, an error message is logged. The exception is not rethrown.
     * </p>
     *
     * @param zipFile
     *            Zip file. Must not be {@literal null}.
     */
    public static void close(final ZipFile zipFile) {
        assertArgumentNotNull("zipFile", zipFile);

* Created k8s.gcr.io image repo alias to pull images from the closest regional repo. Replaces gcr.io/google_containers. ([#57824](https://github.com/kubernetes/kubernetes/pull/57824), [@thockin](https://github.com/thockin))

   * most [BufferedSource] instances, but not of [Buffer].
   */
  private fun responseBody(content: String): ResponseBody {
    val data = Buffer().writeUtf8(content)
    val source: Source =
      object : Source {
        var closed = false

        override fun close() {
          closed = true
        }

        override fun read(

	}

	return nil, ErrInvalidDB
}

// Close closes all prepared statements in the store
func (db *PreparedStmtDB) Close() {
	db.Mux.Lock()
	defer db.Mux.Unlock()

	for _, key := range db.Stmts.Keys() {
		db.Stmts.Delete(key)
	}
}

// Reset Deprecated use Close instead
func (db *PreparedStmtDB) Reset() {
	db.Close()
}

        return FileUtil.getCanonicalPath(jarFile);
    }

    /**
     * Closes the JAR file.
     * <p>
     * If {@link JarFile#close()} throws an exception, an error message is logged. The exception is not re-thrown.
     * </p>
     *
     * @param jarFile the JAR file (must not be {@literal null})
     */
    public static void close(final JarFile jarFile) {
        assertArgumentNotNull("jarFile", jarFile);

func (c *lockRESTClient) IsOnline() bool {
	return c.connection.State() == grid.StateConnected
}

// Not a local locker
func (c *lockRESTClient) IsLocal() bool {
	return false
}

// Close - marks the client as closed.
func (c *lockRESTClient) Close() error {
	return nil
}

// String - returns the remote host of the connection.
func (c *lockRESTClient) String() string {
	return c.connection.Remote
}

    return writer
  }

  /**
   * Shortens the last frame from its original length to `length`. This will cause the peer to
   * close the socket as soon as this frame has been written; otherwise the peer stays open until
   * explicitly closed.
   */
  fun truncateLastFrame(length: Int): Http2Writer {
    val lastFrame = outFrames.removeAt(outFrames.size - 1)
    require(length < bytesOut.size - lastFrame.start)

      )

    val part = parts.nextPart()!!
    parts.close()

    assertFailsWith<IllegalStateException> {
      part.body.request(10)
    }.also { expected ->
      assertThat(expected).hasMessage("closed")
    }
  }

  @Test fun `cannot call nextPart after calling close`() {
    val parts =
      MultipartReader(
        boundary = "simple boundary",

   * 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;
  }