public void InitializeSupportedQueries(Func <Query, IEnumerable <object[]> > getDefaultResult, Func <Query, string[]> getColumnNames, Func <Query, string> getPattern)
        {
            if (_isInitialized)
            {
                return;
            }

            _isInitialized = true;

            foreach (Query query in Enum.GetValues(typeof(Query)))
            {
                IEnumerable <object[]> values = getDefaultResult(query);
                _resultManager.AddItem(query, x => new Regex(getPattern(query)).IsMatch(x.CommandText), getColumnNames(query), getDefaultResult(query));
            }
        }