@Override
	public void copySetting(Settings settings, Settings destSettings) {
		Long l = settings.getLong(FORMAT);
		if (l == null) {
			destSettings.clearSetting(FORMAT);
		}
		else {
			destSettings.setLong(FORMAT, l);
		}
	}
Returns a descriptive string suffix that should be appended after converting a value
using the radix returned by {@link #getRadix(Settings)}.

@param settings the instance settings
@return string suffix, such as "h" for HEX, "o" for octal
Ghidra/Framework/Docking/src/main/java/ghidra/docking/settings/FormatSettingsDefinition.java