{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "gaptable",
  "type": "object",
  "required": ["published_at", "as_of", "official_month", "rows", "total_gap_pp",
               "variants"],
  "additionalProperties": false,
  "properties": {
    "published_at": {"type": "string"},
    "as_of": {"type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$"},
    "official_month": {"type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$"},
    "variants": {
      "type": "object",
      "required": ["gauge", "col", "tracker", "supercore", "pce"],
      "additionalProperties": false,
      "properties": {
        "gauge": {"$ref": "#/$defs/variant_summary"},
        "col": {"$ref": "#/$defs/variant_summary"},
        "tracker": {"$ref": "#/$defs/variant_summary"},
        "supercore": {"$ref": "#/$defs/variant_summary"},
        "pce": {"$ref": "#/$defs/variant_summary"}
      }
    },
    "rows": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["component", "label", "weight", "mode", "ours_yoy_pct",
                     "bls_yoy_pct", "gap_pp", "contribution_pp"],
        "additionalProperties": false,
        "properties": {
          "component": {"type": "string"},
          "label": {"type": "string"},
          "weight": {"type": "number", "exclusiveMinimum": 0, "maximum": 1},
          "mode": {"enum": ["live", "bls_cf"]},
          "ours_yoy_pct": {"type": ["number", "null"]},
          "bls_yoy_pct": {"type": "number"},
          "gap_pp": {"type": ["number", "null"]},
          "contribution_pp": {"type": ["number", "null"]}
        }
      }
    },
    "total_gap_pp": {"type": "number"}
  },
  "$defs": {
    "variant_summary": {
      "type": "object",
      "required": ["yoy_pct", "as_of", "coverage_pct"],
      "additionalProperties": false,
      "properties": {
        "yoy_pct": {"type": ["number", "null"]},
        "as_of": {"type": "string"},
        "coverage_pct": {"type": "number"}
      }
    }
  }
}