{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.schemastore.org/openapi-overlay-1.X.json",
  "title": "OpenAPI Overlay Document v1.X",
  "type": "object",
  "required": ["overlay"],
  "properties": {
    "overlay": {
      "pattern": "^1\\.(0|1)\\.",
      "type": "string"
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "overlay": {
            "pattern": "^1\\.0\\.",
            "type": "string"
          }
        }
      },
      "then": {
        "$ref": "https://spec.openapis.org/overlay/1.0/schema/2026-04-01"
      }
    },
    {
      "if": {
        "properties": {
          "overlay": {
            "pattern": "^1\\.1\\.",
            "type": "string"
          }
        }
      },
      "then": {
        "$ref": "https://spec.openapis.org/overlay/1.1/schema/2026-04-01"
      }
    }
  ]
}