code: @Nonnull
    public static UnifiedResponse createSimple (@Nonnull final HttpServletRequest aHttpRequest)
    {
      return new UnifiedResponse (RequestHelper.getHttpVersion (aHttpRequest),
                                  RequestHelper.getHttpMethod (aHttpRequest),
                                  aHttpRequest);
    }
docs: Factory method
  
  @param aHttpRequest
  The main HTTP request. May not be <code>null</code>.
  @return New {@link UnifiedResponse}. Never <code>null</code>.
  @since 8.8.0