code: @Override
      public void reset() {
          if (isCommitted()) {
              throw new IllegalStateException("Response already committed");
          }
          this.response.setStatus(200);
          this.response.removeAllHeaders();
          this.locale = Locale.getDefault();
          this.encoding = null;
          resetBuffer();
      }
docs: /*
  @see javax.servlet.ServletResponse#reset()