code: public void setInstanceGroupIds(java.util.Collection<String> instanceGroupIds) {
          if (instanceGroupIds == null) {
              this.instanceGroupIds = null;
              return;
          }
  
          this.instanceGroupIds = new com.amazonaws.internal.SdkInternalList<String>(instanceGroupIds);
      }
docs: <p>
  Instance group IDs of the newly created instance groups.
  </p>
  
  @param instanceGroupIds
  Instance group IDs of the newly created instance groups.