{
  "name": "Factory-method",
  "contexts": [
    {
      "relations": [],
      "transfer": {
        "src": "ConcreteBlacksmith",
        "dst": "Main",
        "data": {
          "type": "Weapon",
          "name": "weapon"
        },
        "style": "PULL",
        "multiplicity": "1:1"
      }
    }
  ]
}