Access to an undefined property trait larastan

Question

I´m trying to solve errors in my proyect with larastan. One error that this library, returned it´s: Access to an undefined property App\Cargador\Prevalidaciones\PrevalidarCodificacionUTF8::$tarea

PrevalidarCodificacionUTF8

this class use personaliced trait, and in this class i´m adding, php-doc to try solve this message, but always return this message:

Access to an undefined property App\Cargador\Prevalidaciones\PrevalidarCodificacionUTF8::$tarea.

I´m adding to Trait class:

/**
 *  @param integer $tarea
 */

and i add this php-doc to my class, that call my trait. But i can´t solve this message.

I don´t know that code i can add to this question.

Thanks for readme and sorry for my bad english