message: reverting schema update
diff: "default": {}
  },
  "type": {
  - "oneOf": [
  - {
  "$ref": "http://json-schema.org/draft-04/schema#/properties/type"
  },
  - {
  - "type" : "string",
  - "enum" : ["file"]
  - }
  - ]
  - },
  "items": {
  "anyOf": [
  {
  