query calculateTwoStage {
  calculateTwoStage(
    request: {
      inputs: {
        calculationMethod: DESIGN
        selectedPrimaryFluid: { fluidId: 53, isGas: true, inputValue: null }
        selectedRadiatorFluid: { fluidId: 53, isGas: true, inputValue: null }
        selectedHotWaterFluid: { fluidId: 53, isGas: true, inputValue: null }
        coCurrentRadiator: true
        selectedHeatExchangersRadiator: [
          { heatExchangerInputType: CHILD, id: 5 }
          { heatExchangerInputType: CHILD, id: 6 }
          { heatExchangerInputType: CHILD, id: 11 }
          { heatExchangerInputType: CHILD, id: 14 }
          { heatExchangerInputType: CHILD, id: 15 }
          { heatExchangerInputType: CHILD, id: 23 }
          { heatExchangerInputType: CHILD, id: 24 }
          { heatExchangerInputType: CHILD, id: 129 }
          { heatExchangerInputType: CHILD, id: 130 }
          { heatExchangerInputType: CHILD, id: 131 }
          { heatExchangerInputType: CHILD, id: 133 }
          { heatExchangerInputType: CHILD, id: 137 }
          { heatExchangerInputType: CHILD, id: 163 }
          { heatExchangerInputType: CHILD, id: 201 }
          { heatExchangerInputType: CHILD, id: 235 }
          { heatExchangerInputType: CHILD, id: 276 }
          { heatExchangerInputType: CHILD, id: 468 }
          { heatExchangerInputType: CHILD, id: 573 }
          { heatExchangerInputType: CHILD, id: 575 }
          { heatExchangerInputType: CHILD, id: 577 }
          { heatExchangerInputType: CHILD, id: 579 }
          { heatExchangerInputType: CHILD, id: 601 }
          { heatExchangerInputType: CHILD, id: 603 }
          { heatExchangerInputType: CHILD, id: 628 }
          { heatExchangerInputType: CHILD, id: 629 }
          { heatExchangerInputType: CHILD, id: 983 }
        ]
        heatLoadRadiator: { amount: 100, unit: KILOWATT }
        inletTemperatureSide1Radiator: { amount: 100, unit: DEGREE_CELSIUS }
        inletTemperatureSide2Radiator: { amount: 60, unit: DEGREE_CELSIUS }
        outletTemperatureSide1Radiator: { amount: 65, unit: DEGREE_CELSIUS }
        outletTemperatureSide2Radiator: { amount: 80, unit: DEGREE_CELSIUS }
        winterFlowSide1Radiator: null
        winterFlowSide2Radiator: null
        maxPressureDropSide1Radiator: { amount: 50, unit: KILO_PASCAL }
        maxPressureDropSide2Radiator: { amount: 50, unit: KILO_PASCAL }
        numberOfPassesRadiator: null
        numberOfPlatesRadiator: null
        portSwitchRadiator: true
        selectedHeatExchangersTwoStage: [{ heatExchangerInputType: PARENT, id: 141 }]
        heatLoadTwoStage: { amount: 100, unit: KILOWATT }
        inletTemperatureSide1TwoStage: { amount: 65, unit: DEGREE_CELSIUS }
        inletTemperatureSide2TwoStage: { amount: 10, unit: DEGREE_CELSIUS }
        outletTemperatureSide1TwoStage: { amount: 22, unit: DEGREE_CELSIUS }
        outletTemperatureSide2TwoStage: { amount: 55, unit: DEGREE_CELSIUS }
        summerFlowSide1TwoStage: null
        summerFlowSide2TwoStage: null
        maxPressureDropSide1TwoStage: { amount: 30, unit: KILO_PASCAL }
        maxPressureDropSide2TwoStage: { amount: 30, unit: KILO_PASCAL }
        includeFlowFromRadiatorTwoStage: true
        numberOfPlatesPreStageTwoStage: null
        numberOfPlatesAfterStageTwoStage: null
        autoperformanceTwoStage: true
      }
    }
  ) {
    calculationResult {

      results {
        radiatorHeatExchanger {
          modelId
          modelName
        }
        twoStageHeatExchanger {
          modelId
          modelName
        }
      }
    }
  }
}