private static void parseMirrorModifier(IconModifier modifier, String modifierString)
			throws ParseException {
		if (!modifierString.equals("mirror")) {
			throw new ParseException("Illegal Icon modifier: " + modifier, 0);
		}
		modifier.setMirror();
	}
Parses the given string as one or more icon modifiers
@param iconModifierString the string to parse as modifiers
@return an IconModifier as specified by the given string
@throws ParseException if the iconModifierString in not properly formatted icon modifier
Ghidra/Framework/Gui/src/main/java/generic/theme/IconModifier.java