docs: public ListCollectionsResult withFaceModelVersions(String... faceModelVersions) {
          if (this.faceModelVersions == null) {
              setFaceModelVersions(new java.util.ArrayList<String>(faceModelVersions.length));
          }
          for (String ele : faceModelVersions) {
              this.faceModelVersions.add(ele);
          }
          return this;
      }