docs: public Iterator<Runnable> buildIterator() {
  		return new Iterator<Runnable>() {
  			@Override
  			public boolean hasNext() {
  				return false;
  			}
  
  			@Override
  			public Runnable next() {
  				return null;
  			}
  
  			@Override
  			public void remove() {
  			}
  		};
  	}