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