public function removePolicyByRoleDraft(RoleDraft $roleDraft, PolicyDraft $policyDraft)
    {
        $returnValue = $this->service->removePolicyByRoleDraft($roleDraft, $policyDraft);
        $this->signalDispatcher->emit(
            new RemovePolicyByRoleDraftSignal(
                array(
                    'roleId' => $roleDraft->id,
                    'policyId' => $policyDraft->id,
                )
            )
        );

        return $returnValue;
    }