private val buckets: Map<TestCoverage, List<SmallSubprojectBucket>> = buildBuckets(testTimeDataJson, model)

    fun generate(jsonFile: File) {
        jsonFile.writeText(
            JSON.toJSONString(
                buckets.map {
                    TestCoverageAndBucketSplits(it.key.uuid, it.value.map { it.toJsonBucket() })
                },
                SerializerFeature.PrettyFormat,