| <T> org.jetlang.core.Disposable | JetlangClient. request(String reqTopic,
       Object req,
       org.jetlang.core.DisposingExecutor executor,
       org.jetlang.core.Callback<T> callback,
       org.jetlang.core.Callback<TimeoutControls> timeoutRunnable,
       int timeout,
       TimeUnit timeUnit) | 
| <T> org.jetlang.core.Disposable | JetlangTcpClient. request(String reqTopic,
       Object req,
       org.jetlang.core.DisposingExecutor executor,
       org.jetlang.core.Callback<T> callback,
       org.jetlang.core.Callback<TimeoutControls> timeoutRunnable,
       int timeout,
       TimeUnit timeUnit) |