{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "definitions": {
    "date": {
      "type": "string",
      "format": "date-time"
    },
    "nonNullString": {
      "type": "string",
      "minLength": 1
    },
    "method": {
      "type": "array",
      "items": {
        "enum": ["UT"],
        "type": "string"
      },
      "minItems": 1
    },
    "formatVersion": {
      "type": "string",
      "enum": ["4.0.0"]
    }
  },
  "properties": {
    "$schema": {"$ref": "#/definitions/nonNullString"},
    "file": {
      "type": "object",
      "properties": {
        "createdByAppName": {"$ref": "#/definitions/nonNullString"},
        "createdByAppVersion": {"$ref": "#/definitions/nonNullString"},
        "createdByAppCompany": {"$ref": "#/definitions/nonNullString"},
        "creationDate": {"$ref": "#/definitions/date"},
        "creationFormatVersion": {"$ref": "#/definitions/nonNullString"},
        "modifiedByAppName": {"$ref": "#/definitions/nonNullString"},
        "modifiedByAppVersion": {"$ref": "#/definitions/nonNullString"},
        "modifiedByAppCompany": {"$ref": "#/definitions/nonNullString"},
        "modificationDate": {"$ref": "#/definitions/date"},
        "formatVersion": {"$ref": "#/definitions/formatVersion"},
        "notice": {"$ref": "#/definitions/nonNullString"},
        "description": {"$ref": "#/definitions/nonNullString"}
      },
      "required": [
        "creationDate",
        "formatVersion"
      ],
      "additionalProperties": false
    },
    "methods": {"$ref": "#/definitions/method"}
  },
  "required": [
    "$schema",
    "file",
    "methods"
  ]
}