{  
    "url": {
        "paths": [
            {
                "path": "/{index}/_mapping",
                "methods": [
                    "POST",
                    "PUT"
                ],
                "parts": {
                    "index": {
                        "type": "string",
                        "description": "Comma-separated list of indices; use `_all` or empty string to perform the operation on all indices.",
                        "required": false
                    }
                }
            }
        ]
    }
}