Method from

lib/java/src/main/java/com/dianping/cat/util/Pair.java:30–32

(K key, V value)

    }

    public static <K, V> Pair<K, V> from(K key, V value) {
        return new Pair<K, V>(key, value);
    }

    @Override
    @SuppressWarnings("unchecked")