{
  "level1": {
    "api_key": "your-api-key-here",
    "model": "gpt-3.5-turbo"
  },
  "level2": {
    "input_dir": "D:/Datos/Entrada",
    "output_dir": "D:/Datos/Salida",
    "batch_size": 50
  },
  "level3": {},
  "working_directory": "C:\\Estudio"
}