json_schema: {
      "$schema": "http://json-schema.org/draft-07/schema#",
      "title": "GetDWDescriptors",
      "type": "object",
      "additionalProperties": false,
      "properties": {
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              "type": "integer"
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      "definitions": {
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              "minProperties": 1
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          "realm": {
              "type": "object",
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              "properties": {
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              "title": "realm"
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              "minProperties": 1,
              "title": "Dimensions"
          },
          "metrics": {
              "type": "object",
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              "title": "metrics"
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              "title": "metric"
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  }