code: public void setEvents(java.util.Collection<String> events) {
          if (events == null) {
              this.events = null;
              return;
          }
  
          this.events = new java.util.ArrayList<String>(events);
      }
docs: <p>
  A list of one or more events for which Amazon Glacier will send a notification to the specified Amazon SNS topic.
  </p>
  
  @param events
  A list of one or more events for which Amazon Glacier will send a notification to the specified Amazon SNS
  topic.