setBillable(true); } public function getTemplate(): ?InvoiceTemplate { return $this->template; } public function setTemplate(InvoiceTemplate $template): InvoiceQuery { $this->template = $template; return $this; } public function isMarkAsExported(): bool { return $this->markAsExported; } public function setMarkAsExported(bool $markAsExported): InvoiceQuery { $this->markAsExported = $markAsExported; return $this; } }