docs: public static INDArray[] arraysFromBase64(String base64) throws IOException {
          String[] base64Arr = base64.split("\t");
          INDArray[] ret = new INDArray[base64Arr.length];
          for (int i = 0; i < base64Arr.length; i++) {
              byte[] decode = Base64.decodeBase64(base64Arr[i]);
              ByteArrayInputStream bis = new ByteArrayInputStream(decode);
              DataInputStream dis = new DataInputStream(bis);
              INDArray predict = Nd4j.read(dis);
              ret[i] = predict;
          }
          return ret;
      }