@Override
	protected ApplicationThemeDefaults loadApplicationDefaults() {
		return new ApplicationThemeDefaults() {

			@Override
			public GThemeValueMap getLightValues() {
				return null;
			}

			@Override
			public GThemeValueMap getDarkValues() {
				return null;
			}

			@Override
			public GThemeValueMap getLookAndFeelValues(LafType lafType) {
				return null;
			}

		};
	}
Version of ThemeManager that is used before an application or test installs a full
ApplicationThemeManager. Provides enough basic functionality used by the Gui class to
allow simple unit tests to run.
Ghidra/Framework/Gui/src/main/java/generic/theme/StubThemeManager.java