Merge branch 'policy_dev' into 'develop'

        final var kpiValueMin = kpiValueRange.getKpiMinValue();

        final var kpiValueMax = kpiValueRange.getKpiMaxValue();

        final var serializedKpiValueMin = serialize(kpiValueMin);

        final var serializedKpiValueMax = serialize(kpiValueMax);

        Monitoring.KpiValue serializedKpiValueMin;

        Monitoring.KpiValue serializedKpiValueMax;

        if (kpiValueMin == null && kpiValueMax == null) {

            throw new IllegalStateException("KPI value max and min cannot be both null");

        } else if (kpiValueMax == null) {

            serializedKpiValueMin = serialize(kpiValueMin);

            serializedKpiValueMax = serialize(new StringKpiValue("NaN"));

        } else if (kpiValueMin == null) {

            serializedKpiValueMin = serialize(new StringKpiValue("NaN"));

            serializedKpiValueMax = serialize(kpiValueMax);

        } else {

            serializedKpiValueMin = serialize(kpiValueMin);

            serializedKpiValueMax = serialize(kpiValueMax);

        }

        builder.setKpiMinValue(serializedKpiValueMin);

        builder.setKpiMaxValue(serializedKpiValueMax);