public Future<?> greetMeLaterAsync(long requestType, AsyncHandler<GreetMeLaterResponse> asyncHandler) { 
        return null; 
        /*not called */
    }
public Future<?> greetMeLaterAsync(long requestType, AsyncHandler<GreetMeLaterResponse> asyncHandler) { 
        return null; 
       
    }
public future<?> greetmelaterasync(long requesttype, asynchandler<greetmelaterresponse> asynchandler) { return null; }