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  | Quintiq file version 2.0 
 |  #parent: #root 
 |  StaticMethod CanDelete ( 
 |    output String feedback_o, 
 |    OptimizerPuzzleBases optimizerpuzzles 
 |  ) declarative remote as Boolean 
 |  { 
 |    Description: 'Indicate if all the puzzles selected can be deleted' 
 |    TextBody: 
 |    [* 
 |      // Check if world want to be deleted 
 |      isWorldIncluded := exists( optimizerpuzzles,  
 |                                 Elements,  
 |                                 e,  
 |                                 e.IsWorld() ); 
 |       
 |      if( isWorldIncluded ) 
 |      { 
 |        feedback_o := Translations::MP_OptimizerPuzzleBase_CannotDeleteWorld(); 
 |      } 
 |       
 |      return not isWorldIncluded; 
 |    *] 
 |  } 
 |  
  |