@Override
	protected ThemeValue<Object> getReferredValue(GThemeValueMap values, String refId) {
		return values.getProperty(refId);
	}
A base class that represents a Java UIManager property.  This value is used to allow for
overriding Java UI values using the theme properties files.
Ghidra/Framework/Gui/src/main/java/generic/theme/JavaPropertyValue.java