{
  "demand": 1e-09,
  "stages": [
    {
      "name": "A",
      "capacity": 1e-09,
      "availability": 10,
      "variableCost": 0,
      "fixedCost": 0
    },
    {
      "name": "B",
      "capacity": 2e-09,
      "availability": 10,
      "variableCost": 0,
      "fixedCost": 0
    }
  ]
}