{ "type": "object", "additionalProperties": { "type": "object", "additionalProperties": false, "properties": { "syntax": { "type": "string" }, "groups": { "type": "array", "minitems": 1, "uniqueItems": true, "items": { "$ref": "definitions.json#/groupList" } }, "status": { "enum": [ "standard", "nonstandard", "experimental" ] } }, "required": [ "syntax", "groups", "status" ] } }