algoliasearch/src/main/java/com/algolia/search/saas/helpers/BrowseIterator.java
public void start() {
        if (started) {
            throw new IllegalStateException();
        }
        started = true;
        request = index.browseAsync(query, requestOptions, completionHandler);
    }
public void start() {
        if (started) {
            throw new IllegalStateException();
        }
        started = true;
        request = index.browseAsync(query, requestOptions, completionHandler);
    }
Start the iteration.