code: @Override
      public InterfaceHttpData getBodyHttpData(String name) {
          checkDestroyed();
  
          if (!isLastChunk) {
              throw new NotEnoughDataDecoderException();
          }
          List<InterfaceHttpData> list = bodyMapHttpData.get(name);
          if (list != null) {
              return list.get(0);
          }
          return null;
      }
docs: This getMethod returns the first InterfaceHttpData with the given name from
  body.<br>
  
  If chunked, all chunks must have been offered using offer() getMethod. If
  not, NotEnoughDataDecoderException will be raised.
  
  @return The first Body InterfaceHttpData with the given name (ignore
  case)
  @throws NotEnoughDataDecoderException
  need more chunks