public async Task <ActionResult <string> > GetKnownAnagramsAsync([FromQuery] string w)
        {
            if (w is null)
            {
                return(BadRequest());
            }
            AnagramChecker       anagramChecker = new AnagramChecker();
            IEnumerable <string> anagrams       = await anagramChecker.GetKnownAnagramsAsync(w);

            if (anagrams.Count() == 0)
            {
                _logger.LogWarning("No anagrams found for " + w +
                                   ". This must not nescessary mean that there are no anagrams, but none of them is included in our dictionary as anagram of the inputed word");
                return(NotFound());
            }
            else
            {
                return(Ok(anagrams));
            }
        }