{
  "version": 0,
  "type": "Server.Engines.Mahjong.MahjongWallBreakIndicator",
  "properties": [
    {
      "name": "Position",
      "type": "Server.Point2D",
      "rule": "PrimitiveUOTypeMigrationRule",
      "ruleArguments": [
        "Point2D"
      ]
    }
  ]
}