docs: public Stream<T> lazyStream() throws IllegalStateException {
  
          if (pagerStream == null) {
              synchronized (this) {
                  if (pagerStream == null) {
  
                      // Make sure that current page is 0, this will ensure the whole list is streamed
                      // regardless of what page the instance is currently on.
                      currentPage = 0;
  
                      pagerStream = StreamSupport.stream(new PagerSpliterator<T>(this), false);
                      return (pagerStream);
                  }
              }
          }
  
          throw new IllegalStateException("Stream already issued");
      }