{
	"title": "Nested",
	"required": [
		"root"
	],
	"additionalProperties": false,
	"properties": {
		"root": {
			"$ref": "#/$defs/n"
		}
	},
	"$defs": {
		"n": {
			"anyOf": [
				{
					"type": "string"
				},
				{
					"type": "object",
					"required": [
						"label"
					],
					"additionalProperties": false,
					"properties": {
						"id": {
							"type": "string"
						},
						"label": {
							"type": "string",
							"maxLength": 40
						},
						"sub": {
							"type": "string",
							"maxLength": 40
						},
						"focal": {
							"type": "boolean"
						},
						"cols": {
							"type": "integer",
							"minimum": 1,
							"maximum": 6
						},
						"children": {
							"type": "array",
							"items": {
								"$ref": "#/$defs/n"
							}
						}
					}
				}
			]
		}
	}
}