}

    private
    fun readPerformanceTestDurations(performanceTestDurationsJson: File): OperatingSystemToTestProjectPerformanceTestDurations {
        val durations = JSON.parseArray(performanceTestDurationsJson.readText(StandardCharsets.UTF_8))
        val pairs = durations.flatMap { it ->
            val scenarioDurations = it as JSONObject
            val scenario = Scenario.fromTestId(scenarioDurations["scenario"] as String)

        val uuidToTestCoverage = model.stages.flatMap { it.functionalTests }.associateBy { it.uuid }
        val testCoverageAndBuckets = JSON.parseArray(testBucketsJson.readText()) as JSONArray
        testCoverageAndBuckets.associate { testCoverageAndBucket ->
            testCoverageAndBucket as JSONObject