public ListCatalogItemsRequest withItemClassFilter(String... itemClassFilter) {
        if (this.itemClassFilter == null) {
            setItemClassFilter(new java.util.ArrayList<String>(itemClassFilter.length));
        }
        for (String ele : itemClassFilter) {
            this.itemClassFilter.add(ele);
        }
        return this;
    }
<p>
Filters the results by item class.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setItemClassFilter(java.util.Collection)} or {@link #withItemClassFilter(java.util.Collection)} if you
want to override the existing values.
</p>

@param itemClassFilter
       Filters the results by item class.
@return Returns a reference to this object so that method calls can be chained together.
@see CatalogItemClass
aws-java-sdk-outposts/src/main/java/com/amazonaws/services/outposts/model/ListCatalogItemsRequest.java