docs: public ProvisioningArtifactPreferences withStackSetRegions(String... stackSetRegions) {
          if (this.stackSetRegions == null) {
              setStackSetRegions(new java.util.ArrayList<String>(stackSetRegions.length));
          }
          for (String ele : stackSetRegions) {
              this.stackSetRegions.add(ele);
          }
          return this;
      }