{
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      "field": "ROL.1",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
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      "field": "ROL.2",
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    },
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    },
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      "maxOccurs": "unbounded"
    },
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    },
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    },
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    },
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    },
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    },
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    },
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    },
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    }
  ]
}