private void createBookmarksCheckBox() {
		diffBookmarksCB = new GCheckBox("Bookmarks", diffBookmarks);
		diffBookmarksCB.setName("BookmarksDiffCB");
		diffBookmarksCB.getAccessibleContext().setAccessibleName("Bookmark Differences");
		diffBookmarksCB.setToolTipText(
			"Highlight bookmark differences. " + "(for example, bookmark differences)");
		diffBookmarksCB.addItemListener(event -> {
			diffBookmarks = (event.getStateChange() == ItemEvent.SELECTED);
			diffFilter.setFilter(ProgramDiffFilter.BOOKMARK_DIFFS, diffBookmarks);
			clearStatusText();
		});
	}
Create a panel for the checkboxes to indicate the filter settings.
Ghidra/Features/ProgramDiff/src/main/java/ghidra/app/plugin/core/diff/ExecuteDiffDialog.java