public EventBus emitAsync(String event, Object... args) {
        return _emitWithOnceBus(eventContextAsync(event, args));
    }
public EventBus emitAsync ( String event , Object ... args ) { return _emitWithOnceBus ( eventContextAsync ( event , args ) ) ; }
Emit a string event with parameters and force all listeners to be called asynchronously.

@param event
the target event
@param args
the arguments passed in
@see #emit(String, Object...)