{
  "$id": "https://github.com/sourcemeta/alterschema/raw/master/schemas/walker.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "additionalProperties": {
    "type": "object",
    "required": [ "vocabulary", "type", "walker" ],
    "additionalProperties": false,
    "properties": {
      "vocabulary": {
        "type": "string"
      },
      "type": {
        "oneOf": [
          { "$ref": "#/$defs/applicator-type" },
          {
            "type": "array",
            "uniqueItems": true,
            "items": {
              "$ref": "#/$defs/applicator-type"
            }
          }
        ]
      },
      "walker": {
        "type": "string"
      }
    }
  },
  "$defs": {
    "applicator-type": {
      "enum": [ "object", "array", "value" ]
    }
  }
}