code: public java.util.List<EventCategoriesMap> getEventCategoriesMapList() {
          if (eventCategoriesMapList == null) {
              eventCategoriesMapList = new com.amazonaws.internal.SdkInternalList<EventCategoriesMap>();
          }
          return eventCategoriesMapList;
      }
docs: <p>
  A list of event categories descriptions.
  </p>
  
  @return A list of event categories descriptions.