package be.bagofwords.iterator;

public interface DataIterable<T extends Object> {

    CloseableIterator<T> iterator();

    long apprSize();

}

@@ -73,16 +73,36 @@
  Object%3E
+ extends Iterable%3CT%3E
  %7B%0A%0A    

Make sure that DataIterable extends from the standard Iterable class in java