{
  "REQUEST_INVALID": { "status": 400 },
  "AUTHENTICATION_REQUIRED": { "status": 401, "message": "Page authentication did not complete successfully." },
  "AUTHENTICATION_FAILED": { "status": 500 },
  "AUTHENTICATION_TIMEOUT": { "status": 503 },
  "AUTHENTICATION_CANCELLED": { "status": 503 },
  "ORIGIN_DENIED": { "status": 403 },
  "PLACEMENT_DENIED": { "status": 403 },
  "PLACEMENT_INVALID": { "status": 500 },
  "ADMISSION_FAILED": { "status": 500 },
  "ADMISSION_TIMEOUT": { "status": 503 },
  "ADMISSION_CANCELLED": { "status": 503 },
  "ADMISSION_CAPACITY": { "status": 503 },
  "SERVER_DRAINING": { "status": 503 },
  "ROUTE_UNAVAILABLE": { "status": 503 },
  "ACCESS_DENIED": { "status": 403, "message": "This operation is not permitted." },
  "ACCESS_TIMEOUT": { "status": 503, "message": "Authorization timed out. The operation was not run." },
  "ACCESS_CANCELLED": { "status": 503, "message": "Authorization was cancelled. The operation was not run." },
  "ACCESS_CAPACITY": { "status": 503, "message": "Authorization capacity reached. The operation was not run." },
  "PAGE_FAILED": { "status": 500, "message": "Page request failed." },
  "PAGE_CAPACITY": { "status": 503, "message": "Page session capacity reached." },
  "UPLOAD_TOO_LARGE": { "status": 413, "message": "The uploaded file exceeds this action's size limit." },
  "UPLOAD_TYPE_REJECTED": { "status": 415, "message": "This action does not accept that file type." },
  "UPLOAD_TIMEOUT": { "status": 408, "message": "The uploaded file took too long to arrive." },
  "UPLOAD_FAILED": { "status": 500, "message": "File upload failed." },
  "ACTION_INVALID_INPUT": { "status": 400, "message": "Action input is invalid. Check the form values and try again." },
  "ACTION_VALIDATION_TIMEOUT": { "status": 503, "message": "Action input validation timed out. The action was not run." },
  "ACTION_CANCELLED": { "status": 503, "message": "The connection closed before input validation completed. The action was not run." }
}