protected Iterator<Entry<Object, Memory>> createEntrySetIterator() {
        if (size() == 0) {
            return EmptyIterator.INSTANCE;
        }
        return new EntrySetIterator(this);
    }
Creates an entry set iterator.
Subclasses can override this to return iterators with different properties.

@return the entrySet iterator
jphp-runtime/src/php/runtime/memory/support/ArrayMemoryMap.java