code: public java.util.List<ServiceRegistry> getServiceRegistries() {
          if (serviceRegistries == null) {
              serviceRegistries = new com.amazonaws.internal.SdkInternalList<ServiceRegistry>();
          }
          return serviceRegistries;
      }
docs: <p>
  The details of the service discovery registries to assign to this task set. For more information, see <a
  href="http://docs.aws.amazon.com/AmazonECS/latest/developerguide/service-discovery.html">Service Discovery</a>.
  </p>
  
  @return The details of the service discovery registries to assign to this task set. For more information, see <a
  href="http://docs.aws.amazon.com/AmazonECS/latest/developerguide/service-discovery.html">Service
  Discovery</a>.