src/Translatable.php
public function translationModel()
    {
        $translation = new TranslationModel();
        $translation->setConnection($this->getI18nConnection());
        $translation->setTable($this->getI18nTable());
        $translation->setKeyName($this->getForeignKey());
        $translation->setLocaleKey($this->getLocaleKey());

        if ($attributes = $this->translatableAttributes()) {
            $translation->fillable(array_intersect($attributes, $this->getFillable()));
        }

        return $translation;
    }
public function translationModel()
    {
        $translation = new TranslationModel();
        $translation->setConnection($this->getI18nConnection());
        $translation->setTable($this->getI18nTable());
        $translation->setKeyName($this->getForeignKey());
        $translation->setLocaleKey($this->getLocaleKey());

        if ($attributes = $this->translatableAttributes()) {
            $translation->fillable(array_intersect($attributes, $this->getFillable()));
        }

        return $translation;
    }
Returns the default translation model instance.

@return DefaultTranslationModel