Add Quantity property to Product

src/Models/Product.php

@@ -12,6 +12,7 @@ class Product
     protected ?string $id = null;
     protected ?string $serviceName = null;
     protected ?string $name = null;
+    protected ?int $quantity = null;
     protected ?string $minimumQuantity = null;
     protected ?string $maximumQuantity = null;
     /** @var Price[]|null */
@@ -62,6 +63,14 @@ public function getName(): ?string
         return $this->name;
     }
 
+    /**
+     * @return int|null
+     */
+    public function getQuantity(): ?int
+    {
+        return $this->quantity;
+    }
+
     /**
      * @return string|null
      */
@@ -178,6 +187,18 @@ public function setName(?string $name): self
         return $this;
     }
 
+    /**
+     * @param int|null $quantity
+     *
+     * @return self
+     */
+    public function setQuantity(?int $quantity): self
+    {
+        $this->quantity = $quantity;
+
+        return $this;
+    }
+
     /**
      * @param string|null $minimumQuantity
      *