public String dump() {
   StringBuilder builder = new StringBuilder();
   builder.append("encoding:").append(getEncoding()).append("\n");
   builder.append("queries:[").append(StringUtils.toString(getQueries())).append("]\n");
   builder.append("params:[").append(StringUtils.toString(getParams())).append("]\n");
   builder.append("parts:[").append(StringUtils.toString(getParts())).append("]\n");
   return builder.toString();
 }
 private static String responseToText(final Response response) throws IOException {
   return StringUtils.safeSubString(IOUtils.readString(response.body().charStream()), 8196);
 }