function flattenObject(obj: Record<string, unknown>, prefix = ""): Record<string, unknown> {
  let resp: Record<string, unknown>= {}
  const keys = Object.keys(obj)
  const values = Object.values(obj)
  values.forEach( (item, i) => {
    if(typeof(item) === 'object'){
      Object.keys(item).map( key => {
        resp[keys[i]+'.'+key] = item[key]
      })
    } else {
      resp[keys[i]] = item
    }
  })
  Object.values(resp).map( item => {
    if(typeof(item) === 'object'){
      resp = flattenObject(resp)
    }
  })
  return resp;
}

// No modificar: necesario para evaluar el resultado.
export { flattenObject };