C# (CSharp) DataAggregationClauses примеры использования

Пример #1

 internal IDataAggregationClause LastOrDefault(
     Func <IDataAggregationClause, bool>?predicate = null)
 {
     return(DataAggregationClauses.LastOrDefault(predicate ?? (x => true)));
 }

Пример #2

 internal void Add(IDataAggregationClause dataAggregationClause)
 {
     DataAggregationClauses.Add(dataAggregationClause);
 }