docs: public SpotFleetRequestConfigData withLaunchTemplateConfigs(LaunchTemplateConfig... launchTemplateConfigs) {
          if (this.launchTemplateConfigs == null) {
              setLaunchTemplateConfigs(new com.amazonaws.internal.SdkInternalList<LaunchTemplateConfig>(launchTemplateConfigs.length));
          }
          for (LaunchTemplateConfig ele : launchTemplateConfigs) {
              this.launchTemplateConfigs.add(ele);
          }
          return this;
      }