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{
  "options": {
    "year_of_construction": {
      "from": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      },
      "to": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      }
    },
    "area": {
      "from": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      },
      "to": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      }
    },
    "living_area": {
      "from": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      },
      "to": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      }
    },
    "kitchen_area": {
      "from": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      },
      "to": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      }
    },
    "ceiling_height": {
      "from": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      },
      "to": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      }
    },
    "floor": {
      "from": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      },
      "to": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      }
    }
  },
  "contact": {
    "type": "required",
    "message": "This field is required",
    "ref": {}
  },
  "price": {
    "price": {
      "from": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      },
      "to": {
        "type": "required",
        "message": "This field is required",
        "ref": {}
      }
    }
  }
}