public function addPolicyByRoleDraft(RoleDraft $roleDraft, PolicyCreateStruct $policyCreateStruct)
    {
        $returnValue = $this->service->addPolicyByRoleDraft($roleDraft, $policyCreateStruct);
        $this->signalDispatcher->emit(
            new AddPolicyByRoleDraftSignal(
                array(
                    'roleId' => $roleDraft->id,
                    'policyId' => $returnValue->id,
                )
            )
        );

        return $returnValue;
    }