docs: public DescribeDomainControllersResult withDomainControllers(DomainController... domainControllers) {
          if (this.domainControllers == null) {
              setDomainControllers(new com.amazonaws.internal.SdkInternalList<DomainController>(domainControllers.length));
          }
          for (DomainController ele : domainControllers) {
              this.domainControllers.add(ele);
          }
          return this;
      }