{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "Import failure external identifiers",
  "type": "object",
  "maxProperties": 4,
  "patternProperties": {
    ".*": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "integer"
        }
      ]
    }
  }
}