protected HashEntry<K, V> createEntry(HashEntry<K, V> next, int hashCode, K key, V value) {
        return new IdentityEntry<K, V>(next, hashCode, key, value);
    }
Creates an entry to store the data.
This implementation creates an IdentityEntry instance.

@param next     the next entry in sequence
@param hashCode the hash code to use
@param key      the key to store
@param value    the value to store
@return the newly created entry
jphp-runtime/src/php/runtime/common/collections/map/IdentityMap.java