{
  "definitions": {
    "ObjectPattern": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "from": {
          "type": "string",
          "minLength": 1
        },
        "to": {
          "type": "string",
          "minLength": 1
        }
      },
      "required": ["from", "to"]
    }
  },
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "patterns": {
      "type": "array",
      "items": {
        "anyOf": [
          {
            "$ref": "#/definitions/ObjectPattern"
          }
        ]
      }
    },
    "clean": {
      "type": "boolean"
    }
  }
}