code: public void setServices(java.util.Collection<String> services) {
          if (services == null) {
              this.services = null;
              return;
          }
  
          this.services = new java.util.ArrayList<String>(services);
      }
docs: <p>
  The AWS services associated with the event. For example, <code>EC2</code>, <code>RDS</code>.
  </p>
  
  @param services
  The AWS services associated with the event. For example, <code>EC2</code>, <code>RDS</code>.