{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "common",
  "description": "Common definitions.",
  "definitions": {
    "non_empty_string": {
      "type": "string",
      "minLength": 1,
      "pattern": "^$|.*\\S.*",
      "description": "The string has a minimum length of one character and it cannot consist of only whitespace characters."
    },
    "non_empty_uuid": {
      "type": "string",
      "minLength": 32,
      "maxLength": 36,
      "format": "uuid",
      "description": "A UUID."
    }
  }
}