public function getProspectStatusTypes(bool $force = false) : CNabuIContactProspectStatusTypeList
    {
        if ($this->nb_icontact_prospect_status_type_list->isEmpty() || $force) {
            $this->nb_icontact_prospect_status_type_list->clear();
            $this->nb_icontact_prospect_status_type_list->merge(CNabuIContactProspectStatusType::getTypesForIContact($this));
        }

        return $this->nb_icontact_prospect_status_type_list;
    }