code: @Override
      public java.util.concurrent.Future<ListDomainNamesResult> listDomainNamesAsync(
              com.amazonaws.handlers.AsyncHandler<ListDomainNamesRequest, ListDomainNamesResult> asyncHandler) {
  
          return listDomainNamesAsync(new ListDomainNamesRequest(), asyncHandler);
      }
docs: Simplified method form for invoking the ListDomainNames operation with an AsyncHandler.
  
  @see #listDomainNamesAsync(ListDomainNamesRequest, com.amazonaws.handlers.AsyncHandler)