json_schema: {
      "description": "ATLAS Analysis Limits",
      "title": "Limits",
      "properties": {
          "CLs_exp": {
              "items": {
                  "type": "number"
              },
              "type": "array"
          },
          "CLs_obs": {
              "type": "number"
          }
      },
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "id": "limits"
  }