docs: public SigningImageFormat withSupportedFormats(String... supportedFormats) {
          if (this.supportedFormats == null) {
              setSupportedFormats(new java.util.ArrayList<String>(supportedFormats.length));
          }
          for (String ele : supportedFormats) {
              this.supportedFormats.add(ele);
          }
          return this;
      }