code: @Override
      public <T> T body(Class<T> classOfT) {
          return body(classOfT, null);
      }
docs: This will give you the request body nicely parsed. You can register your
  own parsers depending on the request type.
  <p>
  
  @param classOfT The class of the result.
  @return The parsed request or null if something went wrong.