docs: public BrokerEngineType withEngineVersions(EngineVersion... engineVersions) {
          if (this.engineVersions == null) {
              setEngineVersions(new java.util.ArrayList<EngineVersion>(engineVersions.length));
          }
          for (EngineVersion ele : engineVersions) {
              this.engineVersions.add(ele);
          }
          return this;
      }