public EditBuildingBlockStarter(IBuildingBlockTaskRetriever buildingBlockTaskRetriever, IInteractionTasksForMoleculeBuildingBlock editTasksForMoleculeBuildingBlock)
 {
     _buildingBlockTaskRetriever        = buildingBlockTaskRetriever;
     _editTasksForMoleculeBuildingBlock = editTasksForMoleculeBuildingBlock;
 }
 public AddNewMoleculeBuildingBlockFromSelectionUICommand(IInteractionTasksForMoleculeBuildingBlock tasks)
 {
     _tasks = tasks;
 }