code: public DescribeVpcEndpointConnectionNotificationsResult withConnectionNotificationSet(ConnectionNotification... connectionNotificationSet) {
          if (this.connectionNotificationSet == null) {
              setConnectionNotificationSet(new com.amazonaws.internal.SdkInternalList<ConnectionNotification>(connectionNotificationSet.length));
          }
          for (ConnectionNotification ele : connectionNotificationSet) {
              this.connectionNotificationSet.add(ele);
          }
          return this;
      }
docs: <p>
  One or more notifications.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setConnectionNotificationSet(java.util.Collection)} or
  {@link #withConnectionNotificationSet(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param connectionNotificationSet
  One or more notifications.
  @return Returns a reference to this object so that method calls can be chained together.