public OutlierDetection build() {
        return new DefaultOutlierDetection(rule, ticker, counterSlidingWindow, counterUpdateInterval,
                                           failureRateThreshold, minimumRequestThreshold);
    }
Returns a new {@link OutlierDetection} with the specified configuration.
core/src/main/java/com/linecorp/armeria/common/outlier/OutlierDetectionBuilder.java