code: @SuppressWarnings("unchecked")
  	public EList<IfcRelFillsElement> getHasFillings() {
  		return (EList<IfcRelFillsElement>) eGet(Ifc2x3tc1Package.Literals.IFC_OPENING_ELEMENT__HAS_FILLINGS, true);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated