public function getCustomerName(): ?string 	{ 		if (isset($this->invoice_address['name'])) { 			return $this->invoice_address['name']; 		}  		if (isset($this->delivery_address['name'])) { 			return $this->delivery_address['name']; 		}  		if (isset($this->order_details['customer_name'])) { 			return trim($this->order_details['customer_name'] . ' ' . ($this->order_details['customer_name'] ?? null)); 		}  		return null; 	}