}

    boolean confidentToSayBetter() {
        return differencePercentage <= 0 && confidencePercentage > ENOUGH_REGRESSION_CONFIDENCE_THRESHOLD
    }

    boolean confidentToSayWorse() {
        return differencePercentage > 0 && confidencePercentage > ENOUGH_REGRESSION_CONFIDENCE_THRESHOLD
    }

    }

    boolean isSuccessful() {
        return teamCityExecutions.every { it.isSuccessful() }
    }

    boolean isAboutToRegress() {
        return !crossBuild && currentExecutions.any { it.confidentToSayWorse() }
    }

    double getDifferenceSortKey() {
        if (currentExecutions.empty) {
            return Double.NEGATIVE_INFINITY
        }
        def firstExecution = currentExecutions[0]