public Double getDegradeRuleSlowRatioThreshold() {
        return degradeRuleSlowRatioThreshold;
    }
get degradeRuleSlowRatioThreshold.

@return degradeRuleSlowRatioThreshold degrade rule slow ratio threshold
shenyu-common/src/main/java/org/apache/shenyu/common/dto/convert/rule/SentinelHandle.java