limiter.acquire(Integer.MAX_VALUE / 4);
    limiter.acquire(Integer.MAX_VALUE / 2);
    limiter.acquire(Integer.MAX_VALUE);
    assertEvents("R0.00", "R0.00", "R0.00");

    limiter.setRate(1.0);
    limiter.acquire();
    limiter.acquire();
    limiter.acquire();
    assertEvents("R0.00", "R1.00", "R1.00");

    limiter.acquire(Integer.MAX_VALUE / 4);
    limiter.acquire(Integer.MAX_VALUE / 2);
    limiter.acquire(Integer.MAX_VALUE);
    assertEvents("R0.00", "R0.00", "R0.00");

    limiter.setRate(1.0);
    limiter.acquire();
    limiter.acquire();
    limiter.acquire();
    assertEvents("R0.00", "R1.00", "R1.00");

        super(indexSettings, settings, name);
        ignoreCase = settings.getAsBoolean("ignore_case", true);
        n = settings.getAsInt("n", NGramSynonymTokenizer.DEFAULT_N_SIZE);
        delimiters = settings.get("delimiters", NGramSynonymTokenizer.DEFAULT_DELIMITERS);
        expand = settings.getAsBoolean("expand", true);

        settings.getAsBoolean("expand_ngram", false); // TODO remove

 * <td>{@link DateFormat#SHORT} format without delimiters</td>
 * <td>{@literal yyMMdd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#MEDIUM} format without delimiters</td>
 * <td>{@literal yyyyMMdd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#LONG} format without delimiters</td>
 * <td>{@literal yyyyMMdd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#FULL} format without delimiters</td>
 * <td>{@literal yyyyMMdd}</td>
 * </tr>

            }
            return Byte.valueOf((byte) 0);
        }
        return o;
    }

    /**
     * Removes delimiters.
     *
     * @param value
     *            String value
     * @param locale
     *            Locale
     * @return String result with delimiters removed
     */
    public static String removeDelimeter(String value, final Locale locale) {

 * <td>{@link DateFormat#SHORT} format without delimiters</td>
 * <td>{@literal HHmm}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#MEDIUM} format without delimiters</td>
 * <td>{@literal HHmmss}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#LONG} format without delimiters</td>
 * <td>{@literal HHmmss z}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#FULL} format without delimiters</td>
 * <td>{@literal HHmmss z}</td>
 * </tr>

    private final AtomicLong totalIpsBlocked = new AtomicLong(0);

    /**
     * Create rate limiter with default settings
     */
    public AuthenticationRateLimiter() {
        this(5, 10, 100, Duration.ofMinutes(30), Duration.ofMinutes(5));
    }

    /**
     * Create rate limiter with custom settings
     *
     * @param maxAttemptsPerAccount max failed attempts per account before lockout

 * limitations under the License.
 */
package okhttp3.internal.http1

import okhttp3.Headers
import okhttp3.internal.HEADER_LIMIT
import okio.BufferedSource

/**
 * Parse all headers delimited by "\r\n" until an empty line. This throws if headers exceed 256 KiB.
 */
class HeadersReader(
  val source: BufferedSource,
) {
  private var headerLimit = HEADER_LIMIT

    # since we're creating a new limiter for each call, any non-zero limit
    # works (1 is arbitrary)
    exit_limiter = CapacityLimiter(1)
    try:
        yield await run_in_threadpool(cm.__enter__)
    except Exception as e:
        ok = bool(
            await anyio.to_thread.run_sync(
                cm.__exit__, type(e), e, e.__traceback__, limiter=exit_limiter
            )
        )
        if not ok:

            // The rate limiter should still be functional after concurrent access
            assertTrue(concurrentLimiter.checkAttempt("finaluser", "192.168.3.1"),
                    "Rate limiter should still be functional after concurrent operations");

            // Verify that the rate limiter tracked some activity