code: @Override
    public boolean execute(HttpRequestBase request) {
      DataSenderThread senderThread = new DataSenderThread(HTTP_CLIENT_INSTANCE, request);
      senderThread.run();
      return true;
    }
docs: (non-Javadoc)
  
  @see com.sematext.ag.sink.AbstractHttpSink#execute(org.apache.http.client.methods.HttpRequestBase)