docs: public static byte[] parseBase64Binary(String val) {
  
          Assert.notNull(val, "val must not be null!");
  
          int length = val.length();
          StringBuilder sb = new StringBuilder(length);
          for (int i = 0, len = length; i < len; i++) {
  
              char c = val.charAt(i);
  
              if(c == '\n'){
                  if(i + 1 < len && val.charAt(i + 1) == ' ') {
                      i++;
                  }
                  continue;
              }
  
              sb.append(c);
          }
  
          return DatatypeConverter.parseBase64Binary(sb.toString());
      }