'宣言 Public Overloads MustOverride Function Evaluate( _ ByVal oldResult As IAggregationResult(Of T,T), _ ByVal aggregateable As IAggregateable, _ ByVal items As IEnumerable _ ) As IAggregationResult(Of T,T)
public abstract IAggregationResult<T,T> Evaluate( IAggregationResult<T,T> oldResult, IAggregateable aggregateable, IEnumerable items )