@Override
    public Entry next() {
      return nextEntry();
    }
Like addEntry except that this version is used when creating entries as part of Map
construction or "pseudo-construction" (cloning, deserialization). This version needn't worry
about resizing the table.

Subclass overrides this to alter the behavior of IntHashMap(Map), clone, and readObject.
geode-core/src/main/java/org/apache/geode/cache/query/internal/ObjectIntHashMap.java