{
  "load_expanded": {
    "200": "$(nosuchvar)",
    "foo": "nothing again",
    "plain data": "nothing"
  },
  "load_unexpanded": {
    "$(x)": "nothing again",
    "$(y)": "$(nosuchvar)",
    "plain data": "nothing"
  },
  "x": "foo",
  "y": "200"
}
