code: public void setDomainControllers(java.util.Collection<String> domainControllers) {
          if (domainControllers == null) {
              this.domainControllers = null;
              return;
          }
  
          this.domainControllers = new com.amazonaws.internal.SdkInternalList<String>(domainControllers);
      }
docs: <p>
  List of IPv4 addresses, NetBIOS names, or host names of your domain server. If you need to specify the port
  number include it after the colon (“:”). For example, <code>mydc.mydomain.com:389</code>.
  </p>
  
  @param domainControllers
  List of IPv4 addresses, NetBIOS names, or host names of your domain server. If you need to specify the
  port number include it after the colon (“:”). For example, <code>mydc.mydomain.com:389</code>.