public java.util.List<String> getProductCodes() {
        if (productCodes == null) {
            productCodes = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return productCodes;
    }
<p>
The product codes. After you add a product code to an AFI, it can't be removed. This parameter is valid only when
modifying the <code>productCodes</code> attribute.
</p>

@return The product codes. After you add a product code to an AFI, it can't be removed. This parameter is valid
        only when modifying the <code>productCodes</code> attribute.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ModifyFpgaImageAttributeRequest.java