{
  "id": "org.ibm.spark.ibm.transformers.RenameColumns",
  "operator_type": "transformer",
  "complex_types": [
    {
      "id": "RenameFieldEntry",
      "key_definition": {
        "id": "field",
        "type": "string",
        "role": "column"
      },
      "parameters": [
        {
          "id": "new_name",
          "type": "string",
          "role": "new_column",
          "required": true
        }
      ]
    }
  ],
  "parameters": [
    {
      "id": "renamed_fields",
      "type": "map[string,RenameFieldEntry]",
      "role": "column",
      "default": []
    }
  ]
}