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  | Quintiq file version 2.0 
 |  #parent: #root 
 |  MethodOverride CheckIsDuplicated ( 
 |    BaseSalesDemandInPeriod sdip 
 |  ) declarative as Boolean 
 |  { 
 |    TextBody: 
 |    [* 
 |      value :=  exists( sdip, ProductInStockingPointInPeriodPlanning.SalesDemandInPeriodBase.Forecast,  
 |                       forecast, forecast <> this  
 |                       and forecast.ProductInStockingPoint_MP() = this.ProductInStockingPoint_MP()  
 |                       and forecast.SalesSegment_MP() = this.SalesSegment_MP() ); 
 |       
 |      return value; 
 |    *] 
 |  } 
 |  
  |