public OutlierDetectionBuilder counterSlidingWindowMillis(long counterSlidingWindowMillis) {
        return counterSlidingWindow(Duration.ofMillis(counterSlidingWindowMillis));
    }
Sets the time length of sliding window to accumulate the count of events, in milliseconds.
Defaults to {@value #DEFAULT_COUNTER_SLIDING_WINDOW_SECONDS} seconds if unspecified.
core/src/main/java/com/linecorp/armeria/common/outlier/OutlierDetectionBuilder.java