docs: public OverallVolume withDomainIspPlacements(DomainIspPlacement... domainIspPlacements) {
          if (this.domainIspPlacements == null) {
              setDomainIspPlacements(new java.util.ArrayList<DomainIspPlacement>(domainIspPlacements.length));
          }
          for (DomainIspPlacement ele : domainIspPlacements) {
              this.domainIspPlacements.add(ele);
          }
          return this;
      }