docs: private int createDocuments(String filename, TessResultRenderer renderer) throws TesseractException {
          TessBaseAPISetInputName(handle, filename); //for reading a UNLV zone file
          int result = TessBaseAPIProcessPages(handle, filename, null, 0, renderer);
  
  //        if (result == ITessAPI.FALSE) {
  //            throw new TesseractException("Error during processing page.");
  //        }
          return TessBaseAPIMeanTextConf(handle);
      }