private void apply() {
		settingsTable.editingStopped(null);
		try {
			applySettings();
		}
		catch (CancelledException e) {
			return;
		}
		writeHexModePreferences();
		appliedSettings = true;
	}
Get default setting specified with dialog construction
@return settings or null if not specified
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/data/AbstractSettingsDialog.java