*     Guava 27.0
 */
public final class InternalFutures {
  /**
   * Usually returns {@code null} but, if the given {@code Future} has failed, may <i>optionally</i>
   * return the cause of the failure. "Failure" means specifically "completed with an exception"; it
   * does not include "was cancelled." To be explicit: If this method returns a non-null value,
   * then:
   *
   * <ul>

   * with chunked encoding.
   */
  public val chunkSizes: List<Int>?,
  /**
   * The failure MockWebServer recorded when attempting to decode this request. If, for example,
   * the inbound request was truncated, this exception will be non-null.
   */
  public val failure: IOException? = null,
) {
  public val requestLine: String
    get() = "$method $target $version"

type tierMetrics struct {
	sync.RWMutex  // protects requestsCount only
	requestsCount map[string]struct {
		success int64
		failure int64
	}
	histogram *prometheus.HistogramVec
}

var globalTierMetrics = tierMetrics{
	requestsCount: make(map[string]struct {
		success int64
		failure int64
	}),
	histogram: prometheus.NewHistogramVec(prometheus.HistogramOpts{
		Name:    "tier_ttlb_seconds",

    public String appendQueryParameter;

    /** The login required setting. */
    public String loginRequired;

    /** The ignore failure type setting. */
    public String ignoreFailureType;

    /** The failure count threshold setting. */
    public String failureCountThreshold;

    /** The popular word setting. */
    public String popularWord;

import java.security.cert.Certificate;
import java.security.cert.X509Certificate;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * Simple test adaptable to show a failure in older versions of OkHttp
 * or Android SDKs.
 */
@RunWith(AndroidJUnit4.class)
public class IssueReproductionTest {
  @Test public void getFailsWithoutAdditionalCert() throws IOException {

    val failure = context.executionException.orElseGet { null }

    if (uncaughtException != null) {
      throw failure + AssertionError("uncaught exception thrown during test", uncaughtException)
    }

    if (context.isFlaky()) {
      logEvents()
    }

    LogManager.getLogManager().reset()

    var result: Throwable? = failure

    }

    /**
     * Append message content in failure style.
     * By default, bold red
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder failure(Object message) {

    headers = headers,
    chunkSizes = chunkSizes ?: listOf(),
    bodySize = bodySize,
    body = Buffer().write(body ?: ByteString.EMPTY),
    sequenceNumber = exchangeIndex,
    failure = failure,
    method = method,
    path = target,
    handshake = handshake,
    requestUrl = url,

Example:

```sh

    void calculateMIC_failure_wraps() throws Exception {
        byte[] data = new byte[] { 0 };
        when(gssContext.getMIC(any(), anyInt(), anyInt(), any())).thenThrow(new GSSException(GSSException.FAILURE));

        CIFSException ex = assertThrows(CIFSException.class, () -> ctx.calculateMIC(data));
        assertTrue(ex.getMessage().contains("Failed to calculate MIC"));
    }

    @Test