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