public void setItemClassFilter(java.util.Collection<String> itemClassFilter) {
        if (itemClassFilter == null) {
            this.itemClassFilter = null;
            return;
        }

        this.itemClassFilter = new java.util.ArrayList<String>(itemClassFilter);
    }
<p>
Filters the results by item class.
</p>

@param itemClassFilter
       Filters the results by item class.
@see CatalogItemClass
aws-java-sdk-outposts/src/main/java/com/amazonaws/services/outposts/model/ListCatalogItemsRequest.java