public ListCustomLineItemsResult withCustomLineItems(CustomLineItemListElement... customLineItems) {
        if (this.customLineItems == null) {
            setCustomLineItems(new java.util.ArrayList<CustomLineItemListElement>(customLineItems.length));
        }
        for (CustomLineItemListElement ele : customLineItems) {
            this.customLineItems.add(ele);
        }
        return this;
    }
<p>
A list of <code>FreeFormLineItemListElements</code> received.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setCustomLineItems(java.util.Collection)} or {@link #withCustomLineItems(java.util.Collection)} if you
want to override the existing values.
</p>

@param customLineItems
       A list of <code>FreeFormLineItemListElements</code> received.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-billingconductor/src/main/java/com/amazonaws/services/billingconductor/model/ListCustomLineItemsResult.java