[
  {
    "messageText": "Argument of type 'FluentMapper<Mapper<unknown, boolean> & Name<\"userId\">>' is not assignable to parameter of type '[\"Field maps\", boolean, \"but must be able to also map\", string]'.",
    "code": 2345,
    "category": 1,
    "length": 31,
    "start": 157
  }
]