{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/signwell/main/json-schema/CheckboxValidation.json",
  "title": "CheckboxValidation",
  "type": "string",
  "enum": [
    "minimum",
    "maximum",
    "range",
    "exact"
  ],
  "description": "Validation rule for checkbox groups"
}