Async methods in widget extensions

Async methods are not going to work, well unless you force their result before returning the method, which negates the whole point.  

Exactly! Is there any other type of telligent plugin that I could use and get that value in the frontend?

Exactly! Is there any other type of telligent plugin that I could use and get that value in the frontend?

First I need to understand what you are trying to accomplish that this adds value to

I m implementing Machine Translation for threads in community, I'm posting to an API the thread body text and it should get translated, and the API's translation may delay, so I have to you async patterns. I'm implemented the Api calls in a telligent plugin extension, and I want to get the translation in the UI, (velocity or javascript) to replace the text with it's translation.

I am not really sure and Async/Await pattern is really what you want.  This would work with more of a traditional AJAX style request, then in the code on the backend you can do TAP all you want.