namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings; public abstract class Eurocone : DrinkingWaterHeatingFitting { protected virtual Dictionary _titles { get; } = new(); protected override string? BuildRhSolutionsName(string query) { var diameterMatch = _diameter.Match(query); if (diameterMatch.Success) { string diameter = diameterMatch.Groups["Diameter"].Value; if (_titles.TryGetValue(diameter, out string? title)) { return title; } else return null; } return null; } }