ids-and-optional-preferences.json

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "ids-and-optional-preferences",
  "title": "Identifiers and optional preferences",
  "description": "A list of identifiers and optionally, some preferences",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "preferences": {
      "$ref": "preferences.json"
    },
    "identifiers": {
      "type": "array",
      "items": {
        "$ref": "identifier.json"
      }
    }
  },
  "required": [
    "identifiers"
  ]
}