curl --location '/advisor/availability?start=undefined&end=undefined' \
--header 'Authorization: Bearer <token>'[
{
"id": 0,
"adviseurId": 0,
"start": "2019-08-24T14:15:22.123Z",
"end": "2019-08-24T14:15:22.123Z",
"status": "BESCHIKBAAR"
}
]