OAuthFetcher dest = new OAuthFetcher(fetcherConfig, serviceProvider, request);
request.setMethod("POST");
request.setPostBody(CharsetUtil.getUtf8Bytes(body));
request.setHeader("content-type", "application/x-www-form-urlencoded");
request.setSecurityToken(securityToken);
HttpResponse response = dest.fetch(request);
saveState(response);
return response;
}
/**