public GThemeValueMap getNonDefaultValues() {
		return currentValues.getChangedValues(getDefaults());
	}
Returns a {@link GThemeValueMap} contains all values that differ from the default
values (values defined by the {@link LookAndFeel} or in the theme.properties files.
@return a {@link GThemeValueMap} contains all values that differ from the defaults.
Ghidra/Framework/Gui/src/main/java/generic/theme/ThemeManager.java