public static void refreshAll(GThemeValueMap currentValues) {
		for (GIcon gIcon : inUseIcons.getValues()) {
			gIcon.refresh(currentValues);
		}
	}
Static method for notifying all the existing GIcon that icons have changed and they
should reload their cached indirect icon. 
@param currentValues the map of all current theme values
Ghidra/Framework/Gui/src/main/java/generic/theme/GIcon.java