{
  "paths": [
    ["_id"],
    ["a"],
    ["foo"],
    ["foo", "bar"],
    ["foo", "baz"],
    ["foo", "baz", "quux"],
    ["foo", "baz", "qux"],
    ["notes"],
    ["z"]
  ],
  "docsProcessed": 1,
  "aborted": false,
  "projection": {
    "_id": 1,
    "a": 1,
    "foo": 1,
    "notes": 1,
    "z": 1
  }
}