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