}

    class TeamCityParallelTests(val numberOfBatches: Int) : ParallelizationMethod()

    companion object {
        fun fromJson(jsonObject: JSONObject): ParallelizationMethod {
            val methodJsonObject = jsonObject.getJSONObject("parallelizationMethod") ?: return None
            return when (methodJsonObject.getString("name")) {
                null -> None

        }
    }

    private
    inline fun <T> jsonObjectList(list: Iterable<T>, body: (T) -> Unit) {
        jsonList(list) {
            jsonObject {
                body(it)
            }
        }
    }

    private
    inline fun jsonObject(body: () -> Unit) {
        beginObject()
        body()
        endObject()
    }

    private
    fun beginObject() {
        write('{')

            JsonObject result = new JsonObject();
            result.addProperty("name", problemId.getName());
            result.addProperty("displayName", problemId.getDisplayName());
            result.add("group", serializeGroup(problemId.getGroup()));
            return result;
        }


        private static JsonObject serializeGroup(ProblemGroup group) {