E - Type of valuespublic interface WindowStoreIterator<E> extends Iterator<KeyValue<Long,E>>, Closeable
KeyValue with key typed Long used for WindowStore.fetch(Object, long, long).
Users need to call its close method explicitly upon completeness to release resources,
or use try-with-resources statement (available since JDK7) for this Closeable class.void close()
close in interface AutoCloseableclose in interface Closeable