# File lib/transformers/ecore_to_uml13.rb, line 69
  def createMultiplicity(ref)
    @env_out.new(UML13::Multiplicity, :range => [
      @env_out.new(UML13::MultiplicityRange, 
        :lower => ref.lowerBound.to_s.sub("-1","*"), :upper => ref.upperBound.to_s.sub("-1","*"))])    
  end