public BodyConstructor IgnoresCCDWith(string fixtureName, Category category) { if (fixtureBuilderData.ContainsKey(fixtureName)) { var newData = new FixtureData { IgnoreCCDWith = category }; fixtureBuilderData.Add(fixtureName, newData); } else fixtureBuilderData[fixtureName].IgnoreCCDWith = category; return this; }