{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "required": [
        "items"
    ],
    "properties": {
        "$schema": {
            "type": "string"
        },
        "items": {
            "type": "array",
            "items": {
                "$ref": "#/definitions/menu_item"
            }
        }
    },
    "additionalProperties": false,
    "definitions": {
        "menu_section": {
            "type": "object",
            "required": [
                "type",
                "label",
                "items"
            ],
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "section"
                    ]
                },
                "label": {
                    "type": "string"
                },
                "items": {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/menu_item"
                    }
                }
            },
            "additionalProperties": false
        },
        "menu_link": {
            "type": "object",
            "required": [
                "type",
                "label",
                "href"
            ],
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "link"
                    ]
                },
                "label": {
                    "type": "string"
                },
                "href": {
                    "type": "string"
                }
            },
            "additionalProperties": false
        },
        "menu_page": {
            "anyOf": [
                {
                    "type": "string"
                },
                {
                    "type": "object",
                    "required": [
                        "type",
                        "label",
                        "pageId"
                    ],
                    "properties": {
                        "type": {
                            "type": "string",
                            "enum": [
                                "pageId"
                            ]
                        },
                        "label": {
                            "type": "string"
                        },
                        "page": {
                            "type": "string"
                        }
                    }
                }
            ]
        },
        "menu_item": {
            "anyOf": [
                {
                    "$ref": "#/definitions/menu_section"
                },
                {
                    "$ref": "#/definitions/menu_link"
                },
                {
                    "$ref": "#/definitions/menu_page"
                }
            ]
        }
    }
}