docs: public ListLayerVersionsResult withLayerVersions(LayerVersionsListItem... layerVersions) {
          if (this.layerVersions == null) {
              setLayerVersions(new com.amazonaws.internal.SdkInternalList<LayerVersionsListItem>(layerVersions.length));
          }
          for (LayerVersionsListItem ele : layerVersions) {
              this.layerVersions.add(ele);
          }
          return this;
      }