recentAttempts.set(0);
            blocked.set(false);
            blockExpiry = null;
            windowStart = Instant.now();
        }

        void block(Duration duration) {
            blocked.set(true);
            blockExpiry = Instant.now().plus(duration);
        }

        boolean isBlocked() {
            return blocked.get();
        }

        int getRecentAttempts() {

        String ip = "192.168.1.7";

        // Block the IP
        for (int i = 1; i <= 5; i++) {
            assertTrue(rateLimiter.checkAttempt("user" + i, ip));
            rateLimiter.recordFailure("user" + i, ip);
        }

        // Should be blocked
        assertFalse(rateLimiter.checkAttempt("user6", ip), "IP should be blocked");

        // Manually unblock

  private static final long SMALL_TIMEOUT_MILLIS = 10;

  /** How long to wait when determining that a thread is blocked if we expect it to be blocked. */
  private static final long EXPECTED_HANG_DELAY_MILLIS = 75;

  /**
   * How long to wait when determining that a thread is blocked if we DON'T expect it to be blocked.
   */
  private static final long UNEXPECTED_HANG_DELAY_MILLIS = 10000;

  /**

    @Test
    public void testClearBlacklist() throws Exception {
        validator.addToBlacklist("\\share\\blocked");
        validator.clearBlacklist();

        // Should allow previously blacklisted path
        String allowed = validator.validatePath("\\share\\blocked\\file.txt");
        assertEquals("\\share\\blocked\\file.txt", allowed);
    }

    @Test
    public void testClearWhitelist() throws Exception {

// from a placeholder node "arg_tensor_enqueue_<tensor_id>".
//
// `tensor` is still owned by the caller. This call will be blocked if the queue
// has reached its capacity, and will be unblocked when the queued tensors again
// drop below the capacity due to dequeuing.
//
// Tensors are dequeued via the corresponding TF dequeue op.
// TODO(hongm): Add support for `timeout_ms`.

    //            (__)\       )\/\
    //                ||----w |
    //                ||     ||
    Runnable state = get();
    Blocker blocker = null;
    while (state instanceof Blocker || state == PARKED) {
      if (state instanceof Blocker) {
        blocker = (Blocker) state;
      }
      spinCount++;
      if (spinCount > MAX_BUSY_WAIT_SPINS) {
        /*

            @since Maven 3.
          </description>
        </field>
        <field>
          <name>blocked</name>
          <version>1.2.0+</version>
          <type>boolean</type>
          <defaultValue>false</defaultValue>
          <description>
            <![CDATA[
            Whether this mirror should be blocked from any download request but fail the download process, explaining why.

            }
            throw new RejectedExecutionException();
          }
        };
    SequentialExecutor executor = new SequentialExecutor(delegate);
    ExecutorService blocked = newCachedThreadPool();
    Future<?> first =
        blocked.submit(
            new Runnable() {
              @Override
              public void run() {
                executor.execute(Runnables.doNothing());
              }

      <url>http://my.repository.com/repo/path</url>
    </mirror>
    -->
    <mirror>
      <id>maven-default-http-blocker</id>
      <mirrorOf>external:http:*</mirrorOf>
      <name>Pseudo repository to mirror external repositories initially using HTTP.</name>
      <url>http://0.0.0.0/</url>
      <blocked>true</blocked>
    </mirror>
  </mirrors>

  <!-- repositories

        @Override
        public void setMirroredRepositories(List<ArtifactRepository> mirroredRepositories) {}

        @Override
        public boolean isBlocked() {
            return false;
        }

        @Override
        public void setBlocked(boolean blocked) {}
    }