app/frontend/node_modules/mdn-data/api/inheritance.schema.json

{
  "type": "object",
  "additionalProperties": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "inherits": {
        "oneOf": [
          {
            "type": "null"
          },
          {
            "type": "string",
            "minLength": 1
          }
        ]
      },
      "implements": {
        "minItems": 0,
        "uniqueItems": true,
        "items": {
          "type": "string"
        }
      }
    },
    "required": [
      "inherits",
      "implements"
    ]
  }
}