{
  "version": "3.0",
  "categories": [
    {
      "label": "Elyra",
      "id": "Elyra",
      "node_types": [
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          "id": "notebook",
          "image": "",
          "label": "Notebook",
          "type": "execution_node",
          "inputs": [
            {
              "id": "inPort",
              "app_data": {
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                  "cardinality": {
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                  "label": "Input Port"
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              "app_data": {
                "ui_data": {
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                    "max": -1
                  },
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            "image": "",
            "ui_data": {
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              "image": "",
              "x_pos": 0,
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        {
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          "inputs": [
            {
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              "app_data": {
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              "id": "outPort",
              "app_data": {
                "ui_data": {
                  "cardinality": {
                    "min": 0,
                    "max": -1
                  },
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          ],
          "parameters": {},
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            "ui_data": {
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              "x_pos": 0,
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            }
          }
        },
        {
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          "id": "r-script",
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          "label": "R Script",
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          "inputs": [
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              "id": "inPort",
              "app_data": {
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                  "cardinality": {
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                    "max": -1
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                  "label": "Input Port"
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          "outputs": [
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              "id": "outPort",
              "app_data": {
                "ui_data": {
                  "cardinality": {
                    "min": 0,
                    "max": -1
                  },
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          "parameters": {},
          "app_data": {
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            "image": "",
            "ui_data": {
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              "x_pos": 0,
              "y_pos": 0
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          }
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      ]
    }
  ]
}