@SafeVarargs
    public static Map<String, Object> merge(final Map<String, ?>... attributes) {
        val result = new LinkedHashMap<String, Object>();
        Arrays.stream(attributes).forEach(result::putAll);
        return result;
    }
Merge map.

@param attributes the attributes
@return the map
core/cas-server-core-util-api/src/main/java/org/apereo/cas/util/CollectionUtils.java