FreeBusyResponse

{
    "calendars": {
        "property1": {
            "busy": [
                {
                    "end": "2019-08-24T14:15:22.123Z",
                    "start": "2019-08-24T14:15:22.123Z"
                }
            ],
            "errors": [
                {
                    "domain": "string",
                    "reason": "string"
                }
            ]
        },
        "property2": {
            "busy": [
                {
                    "end": "2019-08-24T14:15:22.123Z",
                    "start": "2019-08-24T14:15:22.123Z"
                }
            ],
            "errors": [
                {
                    "domain": "string",
                    "reason": "string"
                }
            ]
        }
    },
    "groups": {
        "property1": {
            "calendars": [
                "string"
            ],
            "errors": [
                {
                    "domain": "string",
                    "reason": "string"
                }
            ]
        },
        "property2": {
            "calendars": [
                "string"
            ],
            "errors": [
                {
                    "domain": "string",
                    "reason": "string"
                }
            ]
        }
    },
    "kind": "calendar#freeBusy",
    "timeMax": "2019-08-24T14:15:22.123Z",
    "timeMin": "2019-08-24T14:15:22.123Z"
}