private void doUnpackage(int row, TaskMonitor monitor) {
		try {
			((StructureEditorModel) model).unpackage(row, monitor);
		}
		catch (CancelledException e) {
			// user cancelled
		}
		catch (UsrException e1) {
			model.setStatus(e1.getMessage(), true);
		}
		model.fireTableDataChanged();
	}
Action for use in the composite data type editor.
This action has help associated with it.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/UnpackageAction.java