code: @SuppressWarnings("unchecked")
  	@Override
  	public EList<Double> getOffsetValues() {
  		return (EList<Double>) eGet(Ifc4Package.Literals.IFC_MATERIAL_LAYER_WITH_OFFSETS__OFFSET_VALUES, true);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated