public void setEventCategoriesMapList(java.util.Collection<EventCategoriesMap> eventCategoriesMapList) {
        if (eventCategoriesMapList == null) {
            this.eventCategoriesMapList = null;
            return;
        }

        this.eventCategoriesMapList = new java.util.ArrayList<EventCategoriesMap>(eventCategoriesMapList);
    }
<p>
A list of EventCategoriesMap data types.
</p>

@param eventCategoriesMapList
       A list of EventCategoriesMap data types.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/DescribeEventCategoriesResult.java