(
  source only properties:
  {
    "driver": "https",
    "url": "https://host1.example.com:443/something",
    "sslverify": false,
    "cookie": "test=123456; blurb=here"
  }
  backing store string:
  json:{"file":{
    "driver": "https",
    "url": "https://host1.example.com:443/something",
    "sslverify": false,
    "cookie": "test=123456; blurb=here"
  }
  }
)