docs: public ImageInserter withInsertableImages(InsertableImage... insertableImages) {
          if (this.insertableImages == null) {
              setInsertableImages(new java.util.ArrayList<InsertableImage>(insertableImages.length));
          }
          for (InsertableImage ele : insertableImages) {
              this.insertableImages.add(ele);
          }
          return this;
      }