{
  "units": "a.u.",
  "missing": "NA",
  "status": [
    "valid",
    "invalid"
  ],
  "exclusion_priority": [
    "invalid",
    "NA"
  ],
  "locale": "C",
  "output_order": "ASCII group ascending",
  "number_format": "finite decimal/scientific; abs(value)<=1000000",
  "mean_format": "two decimal places; NA when n_used=0",
  "empty_input": "zero bytes: error 2; header only: no groups"
}