private static void addName(@Nonnull String className, @Nonnull Set<String> classNames) {
		if (className.isEmpty())
			return;
		if (className.indexOf(0) == '[' || className.charAt(className.length() - 1) == ';')
			addType(Type.getType(className), classNames);
		else if (className.indexOf(0) == '(')
			addMethodType(Type.getMethodType(className), classNames);
		else
			classNames.add(className);
	}
@return Set of all classes referenced in the constant pool.
recaf-core/src/main/java/software/coley/recaf/info/JvmClassInfo.java