interface in java.util.concurrent"><code>Executor</code></a> with callbacks marshaled to the callback
 <a href="http://java.sun.com/javase/6/docs/api/java/util/concurrent/Executor.html?is-external=true" title="class or interface in java.util.concurrent"><code>Executor</code></a>. The last method parameter should be of type <a href="../retrofit/Callback.html" title="interface in retrofit"><code>Callback</code></a>. The HTTP
 response will be converted to the callback's parameter type using the specified
 <a 