{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "gauge_daily",
  "type": "object",
  "required": ["published_at", "rebase", "variants"],
  "additionalProperties": false,
  "properties": {
    "published_at": {"type": "string"},
    "rebase": {"type": "string"},
    "variants": {
      "type": "object",
      "required": ["gauge", "col", "tracker", "supercore", "pce"],
      "additionalProperties": false,
      "properties": {
        "gauge": {"$ref": "#/$defs/series"},
        "col": {"$ref": "#/$defs/series"},
        "tracker": {"$ref": "#/$defs/series"},
        "supercore": {"$ref": "#/$defs/series"},
        "pce": {"$ref": "#/$defs/series"}
      }
    }
  },
  "$defs": {
    "series": {
      "type": "object",
      "required": ["dates", "index", "yoy_pct"],
      "additionalProperties": false,
      "properties": {
        "dates": {"type": "array",
                  "items": {"type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$"}},
        "index": {"type": "array", "items": {"type": "number"}},
        "yoy_pct": {"type": "array", "items": {"type": ["number", "null"]}}
      }
    }
  }
}