public HistoryMapCache(IHistoryMapParser parser, HistorySettings settings, IHistoryMapOverrideParser overrides)
        {
            _parser    = parser;
            _settings  = settings;
            _overrides = overrides;

            Clear();
        }
 public HistoryMapOverrideParser(IHistoryMapParser inner, IModelMapDiff diff, HistoryMapDiffOptions options)
 {
     _inner   = inner;
     _diff    = diff;
     _options = options;
 }