// misconfigured mock. Try to switch to Failure.
          Failure failure;
          try {
            failure = new Failure(t);
          } catch (Exception | Error oomMostLikely) { // sneaky checked exception
            failure = Failure.FALLBACK_INSTANCE;
          }

 * used so that OkHttp can learn from its mistakes: if there was a failure attempting to connect to
 * a specific IP address or proxy server, that failure is remembered and alternate routes are
 * preferred.
 */
class RouteDatabase {
  private val _failedRoutes = mutableSetOf<Route>()

  val failedRoutes: Set<Route>
    @Synchronized get() = _failedRoutes.toSet()

  /** Records a failure connecting to [failedRoute]. */

      }
    }
  }

  /**
   * Report and attempt to recover from a failure to communicate with a server. Returns true if
   * `e` is recoverable, or false if the failure is permanent. Requests with a body can only
   * be recovered if the body is buffered or if the failure occurred before the request has been
   * sent.
   */
  private fun recover(
    e: IOException,

    check(rule.startsWith(WILDCARD_CHAR)) {
      """Wildcard Assertion Failure: '$rule'
A wildcard rule was added with a wildcard that is not in leftmost position! We'll need to change the ${PublicSuffixDatabase::class.java.name} to handle this."""
    }
    check(rule.indexOf(WILDCARD_CHAR, 1) == -1) {
      """Wildcard Assertion Failure: '$rule'

							SkipRebalancing:   true, // make sure we skip the decommissioned pool
							NoAuditLog:        true,
						})
					var failure bool
					if err != nil && !isErrObjectNotFound(err) && !isErrVersionNotFound(err) {
						rebalanceLogIf(ctx, err)
						failure = true
					}

					if !failure {
						z.updatePoolStats(poolIdx, bucket, version)
						rebalanced++
					}

							NoAuditLog:         true,
						})
					var failure bool
					if err != nil {
						if isErrObjectNotFound(err) || isErrVersionNotFound(err) {
							err = nil
						}
					}
					stopFn(err)
					if err != nil {
						decomLogIf(ctx, err)
						failure = true
					}
					z.poolMetaMutex.Lock()
					z.poolMeta.CountItem(idx, 0, failure)
					z.poolMetaMutex.Unlock()
					if !failure {

    isRetry: Boolean = false,
) {
    val stepName: String = if (isRetry) "GRADLE_RETRY_RUNNER" else "GRADLE_RUNNER"
    val stepExecutionMode: ExecutionMode = if (isRetry) ExecutionMode.RUN_ONLY_ON_FAILURE else ExecutionMode.DEFAULT
    val extraBuildScanTags: List<String> = if (isRetry) listOf("RetriedBuild") else emptyList()

    val buildScanTags = model.buildScanTags + listOfNotNull(stage?.id) + extraBuildScanTags

            ),
        )
      }
      else -> {
        val failure =
          ProtocolException(
            "Too many tunnel connections attempted: $MAX_TUNNEL_ATTEMPTS",
          )
        user.connectFailed(route, null, failure)
        return ConnectResult(plan = this, throwable = failure)
      }
    }
  }

  @Throws(IOException::class)
  private fun connectTls(

}

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",

It looks like the following:

```
Execution failed for task ':architecture-test:checkBinaryCompatibility'.
> A failure occurred while executing me.champeau.gradle.japicmp.JApiCmpWorkAction
   > Detected binary changes.
         - current: ...
         - baseline: ...
     
     See failure report at file:///<path to Gradle checkout>/subprojects/architecture-test/build/reports/binary-compatibility/report.html
```