private JPanel createFilterArea() {
		JPanel parentPanel = new JPanel(new BorderLayout());

		JComponent nameFilterPanel = createTextFilterPanel();
		nameFilterPanel.getAccessibleContext().setAccessibleName("Name Filter");
		parentPanel.add(nameFilterPanel, BorderLayout.CENTER);

		ancillaryFilterButton = new JButton(FILTER_ICON);
		ancillaryFilterButton.getAccessibleContext().setAccessibleName("Ancillary");
		ancillaryFilterButton
				.addActionListener(e -> tool.showDialog(ancillaryFilterDialog, component));
		ancillaryFilterButton.setToolTipText("Filters Dialog");

		String buttonNamePrefix = "Markup Items Table Filter";
		ancillaryFilterButton.setName(buttonNamePrefix + " Button");
		ancillaryFilterButton.getAccessibleContext().setAccessibleName(buttonNamePrefix);

		parentPanel.add(ancillaryFilterButton, BorderLayout.EAST);

		HelpLocation filterHelpLocation =
			new HelpLocation("VersionTrackingPlugin", "Markup_Filters");
		HelpService helpService = DockingWindowManager.getHelpService();
		helpService.registerHelp(parentPanel, filterHelpLocation);
		helpService.registerHelp(ancillaryFilterButton, filterHelpLocation);
		parentPanel.getAccessibleContext().setAccessibleName("Filter Area");
		return parentPanel;
	}
Displays or hides the function comparison panel within the markup items provider.
@param show true indicates to show the function comparison within the provider.
Otherwise, hide it.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/provider/markuptable/VTMarkupItemsTableProvider.java