return paramTypes;
    }

    private static String getSignature(final Object... methodArgs) {
        if (methodArgs == null || methodArgs.length == 0) {
            return "";
        }
        final StringBuilder buf = new StringBuilder(100);
        for (final Object arg : methodArgs) {
            if (arg != null) {
                buf.append(arg.getClass().getName());
            } else {

    }

    private static Class<?>[] toClassArray(final Object... methodArgs) {
        if (methodArgs == null) {
            return null;
        }
        final Class<?>[] result = new Class[methodArgs.length];
        for (int i = 0; i < methodArgs.length; ++i) {
            if (methodArgs[i] != null) {
                result[i] = methodArgs[i].getClass();
            }
        }
        return result;
    }