code: @Pure
  	public Iterator<BusHub> getBusHubsIn(Rectangle2afp<?, ?, ?, ?, ?, ?> clipBounds) {
  		return Iterators.unmodifiableIterator(
  				this.validBusHubs.iterator(clipBounds));
  	}
docs: Replies the set of bus hubs that have an intersection with the specified rectangle.
  
  <p>This function replies the bus hubs with a broad-first iteration on the hubs' tree.
  
  @param clipBounds is the bounds outside which the bus hubs will not be replied
  @return the bus hubs inside the specified bounds.