Moves pedestrian flow from their current level to the new level.
long countPeds() - Returns total number of pedestrians passed through this block.
int size() - Returns number of pedestrians inside the block.
boolean contains(Agent ped) - Returns true if the specified pedestrian is currently inside the block, and false otherwise.
void cancel(Agent ped) - Causes the specified pedestrian to leave the block immediately via ccl port.
void cancelAll() - Causes all pedestrians to leave the block immediately via ccl port.
Set<Agent> getPeds() - Returns a non-modifiable collection of pedestrians currently located in this block.
Agent remove(Agent agent) - Removes the specified agent from the block.