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