code: public void setEventCategories(java.util.Collection<String> eventCategories) {
          if (eventCategories == null) {
              this.eventCategories = null;
              return;
          }
  
          this.eventCategories = new java.util.ArrayList<String>(eventCategories);
      }
docs: <p>
  A list of event categories for a source type that you want to subscribe to. You can see a list of the categories
  for a given source type by calling the <code>DescribeEventCategories</code> action or in the topic <a
  href="https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Events.html">Working with Events and
  Notifications</a> in the <i>AWS Database Migration Service User Guide.</i>
  </p>
  
  @param eventCategories
  A list of event categories for a source type that you want to subscribe to. You can see a list of the
  categories for a given source type by calling the <code>DescribeEventCategories</code> action or in the
  topic <a href="https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Events.html">Working with Events and
  Notifications</a> in the <i>AWS Database Migration Service User Guide.</i>